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Night Parrot (Pezoporus occidentalis)

The Night Parrot is a medium-sized, nocturnal, ground-dwelling parrot of arid and semi-arid Australia. It uses mature spinifex, samphire and chenopod cover for roosting and breeding, with nearby productive grasslands, floodplains, run-on areas and water sources for feeding and drinking. Its extreme rarity, cryptic behaviour and dependence on intact ground cover make vegetation clearing, fire, grazing, predator control and survey quality important on development sites.

Conservation status

Commonwealth, EPBC Act 1999: Critically endangered.

Queensland, Nature Conservation Act 1992: Critically endangered.

South Australia, National Parks and Wildlife Act 1972: Endangered.

Western Australia, Biodiversity Conservation Act 2016: Critically endangered.

Northern Territory, Territory Parks and Wildlife Conservation Act 1976: Endangered.

Breeding season

There is no fixed breeding season across the range. Breeding and movements respond to local rainfall, flooding, seed availability, green food and water, so the calendar below is a risk-planning guide rather than a description of a uniform annual cycle.

Month values are Jan to Dec. A value of 1 indicates that the activity can occur; no fixed peak month is supported by the supplied documents. Site-specific rainfall, food availability, acoustic detections and breeding evidence should guide project timing.

  • Breeding: Breeding may occur in any month when food and other resources are sufficient. It may continue for some time after rain or flooding, and breeding is not limited to a single season.
  • Young: Dependent young may occur in any month when breeding conditions are suitable. Recently fledged birds spend substantial time on the ground begging for food and appear vulnerable to cat predation.
  • Movement to food and water: Birds are generally sedentary while conditions remain suitable but travel at night between roosts, feeding areas and water. Summer heat may increase dependence on standing water.
  • Resource response: Local activity and breeding can increase after rain or flooding when grasses, herbs, chenopods and other foods become available. The timing varies between sites and years.
  • Highest clearing risk: Clearing or disturbance can harm the species in any month because roosting and breeding sites may be occupied year-round and the species can attempt breeding whenever resources are adequate. Risk is highest where dense mature cover, nests, dependent young or known roosts are present.

Identification

Night Parrots are small to medium-sized, dumpy parrots that spend the day concealed in dense ground vegetation and are most often detected by acoustic monitoring at night. Field identification is difficult, and any suspected record should be treated as significant until assessed by suitably experienced personnel.

Adults are predominantly green, grading to yellow on the underparts, with extensive fine black markings. The upperwing is mainly dark grey with a narrow pale yellow wing-bar, while the underwing is grey-green with a broad wing-bar. The tail is short, giving the bird a compact appearance.

Length: 22 to 25 cm.

Sexes: Sexes are alike.

Weight: Not provided in the supplied documents.

Identification: Similar species and behaviour

The Night Parrot is larger and shorter-tailed than a Budgerigar, and is terrestrial, furtive and mainly nocturnal. The superficially similar Ground Parrot has a longer tail and occurs in different regions and habitat. Some Night Parrots have been seen in daylight, usually when flushed from cover by fire, stock or other disturbance.

  • Do not rely on a visual absence during daytime searches, because birds usually remain concealed beneath dense vegetation.
  • Treat an unfamiliar, low, two-note or drawn-out whistle, or a frog-like croak, as a record requiring follow-up rather than as evidence of common parrot activity.

Identification: Field signs and detection

The most reliable field evidence is a confirmed acoustic detection, supported where possible by repeat recordings, visual observations or other independent evidence. Birds call predictably for short periods at dusk and dawn, and may also call while feeding or drinking.

  • Use automated recording units and approved Night Parrot acoustic survey protocols where suitable habitat is present. The 2017 government guideline states that its Night Parrot methods are out of date and directs users to methods maintained by the Night Parrot recovery team.
  • Search carefully for distinctive feathers around waterholes and in the nests of other birds only where this can be done without disturbing occupied habitat.
  • Look for roosting or nesting tunnels and cavities under dense spinifex or other ground cover, but do not enter, damage or burn vegetation to flush a bird.
  • Do not treat the absence of tracks, scats or eyeshine as evidence that Night Parrots are absent. The supplied documents do not provide diagnostic track or scat descriptions.

Distribution: Current and recent range

The Night Parrot is endemic to Australia. Its former distribution covered much of arid and semi-arid inland Australia, but confirmed recent records are concentrated in isolated populations in western Queensland and northern inland Western Australia.

Confirmed populations are known from one site in south-west Queensland and six sites in the northern half of arid Western Australia. Western Australia is considered the likely stronghold, with detections extending from central Western Australia northwards towards the southern Kimberley.

  • Current confirmed records are concentrated in south-west Queensland and central to northern inland Western Australia.
  • Potential or recent unconfirmed detections have been reported from South Australia and the Northern Territory, but the supplied documents do not establish confirmed current populations there.

Distribution: Historical range and bioregional setting

Historical records came from arid and semi-arid inland Australia, including the Gawler Ranges, Lake Torrens and Flinders Ranges region, the Coopers Creek floodplain and Simpson Desert, inland Western Australian salt-lake systems, the Mount Isa, Cloncurry and Boulia region, the southern Northern Territory, north-western Victoria and parts of the Victorian Mallee.

  • Relevant inland habitat regions include arid spinifex country, salt-lake systems, floodplains, chenopod plains, samphire flats and associated watercourses.
  • The species is considered extinct in New South Wales and Victoria, and likely locally extinct in southern South Australia, north-western Victoria and the southern Northern Territory, based on the absence of probable records described in the supplied material.

Distribution: Population size and trend

The population is extremely difficult to estimate because birds occur at very low densities and are detected infrequently. Targeted acoustic surveys since 2013 detected no more than 30 individuals, although the true number is expected to be higher.

Estimated total population: 40 to 500 individuals, with a best estimate of 200 mature and immature birds reported by BirdLife International.

Subpopulation size: Generally no more than 30 individuals, and more likely about 20, in any one subpopulation.

Known current sites: One site in south-west Queensland and six sites in northern inland Western Australia are reported in the supplied material.

Trend: A continuing decline is assumed, with probable range contraction, attrition of subpopulations and extreme fragmentation.

Habitat: Vegetation communities

Night Parrots occupy arid and semi-arid habitats where dense, low ground cover is close to productive feeding areas and, in some conditions, water. Mature spinifex is the most consistently reported habitat feature, but samphire, chenopod and floodplain communities are also important.

The species is most often associated with mature spinifex grasslands formed by Triodia species, including dense hummock grassland on sandy or stony substrates. It also occurs in shrubby samphire and chenopod communities containing saltbush, bluebush and related plants, including around salt lakes, claypans, floodplains, creeks and other watercourses.

  • Prioritise assessment of mature, dense spinifex clumps and adjoining areas of samphire or chenopod cover.
  • Assess habitat mosaics rather than isolated vegetation patches, because roosting cover may be separated from feeding areas by several kilometres.

Habitat: Structural features

Suitable sites have dense, low vegetation that provides concealment during the day and a sheltered place for nesting. Productive patches of open grassland, herbs or chenopods may occur nearby and can be linked to run-on areas, floodplains or other places where seed and green food are available.

  • Retain mature spinifex hummocks and dense samphire or chenopod patches, especially where they occur near productive feeding habitat.
  • Map waterholes, permanent water and likely ephemeral water separately. The species may depend more strongly on standing water during hot periods.
  • Avoid assuming that apparently sparse surrounding country has no value, because birds may travel between roosts, feeding areas and water after dark.

Habitat: Climate and elevation

The supplied documents place the species in arid and semi-arid Australia and do not provide a defined elevation limit. The species is adapted to dry conditions, but longer and hotter droughts may increase dependence on free-standing water.

  • Use regional climate, rainfall and recent resource availability when assessing habitat condition, especially after rain or flooding when grass and forb seed resources may increase.
  • The supplied documents do not provide a numerical elevation range.

Foraging habitat: Food and feeding areas

Night Parrots leave dense daytime roosts after dark and travel to productive patches to feed and drink. Their diet includes seeds, grasses, herbs, chenopods and possibly succulent plants, with food availability varying strongly with rainfall and local conditions.

In Queensland, birds have been recorded feeding in ephemeral grasslands and consuming a variety of grasses, herbs and chenopods. Historical observations also report feeding on spinifex seed. Succulent plants such as Sclerolaena may contribute to water requirements in winter.

  • Assess ephemeral grasslands, floodplains, run-on areas, open patches beside spinifex and productive chenopod or samphire vegetation as potential feeding habitat.
  • Record flowering, seeding and green plant resources during surveys, because breeding and local movements appear to depend on resource availability rather than on a fixed calendar.

Foraging habitat: Foraging movements

Tracked birds moved from Triodia roosts to feeding sites in more diverse habitats containing large-seeded grasses and forbs. Queensland birds travelled up to 9 km from roosts to feed and drink, while other reported observations indicate flights to water of about 6.5 to 8 km.

Recorded foraging distance: Up to 9 km from roosts in Queensland.

Tracked night movement: Up to about 30 km in one night, within an area of approximately 70 km².

  • Assess potential feeding habitat and water sources within at least 9 km of known or suspected roosting habitat where the project could alter vegetation, water availability or movement routes.
  • Avoid treating a roost patch as the full habitat unit. Clearing of connected feeding areas may affect birds even when dense spinifex is retained.

Foraging habitat: Water use

The species may visit standing water, particularly during summer or hot, dry conditions. A tracked bird visited permanent water once during a period when rainfall was available, indicating that ephemeral water may also be important.

  • Map permanent and ephemeral water sources, stock water points and degraded waterhole margins.
  • Assess whether works could alter waterhole hydrology, remove access to water or concentrate cats, foxes, camels or other disturbance around water.

Breeding habitat: Breeding biology

Breeding occurs on or very close to the ground within dense vegetation. The species can attempt breeding throughout the year when food and other resources remain available, but young birds have low survival after fledging and may remain dependent on adults for an extended period.

The nest is a flimsy grass cup on the ground, placed within a spinifex clump or beneath a chenopod bush. Nest failure has been associated with predation by King Brown Snakes and may also result from heat stress. Feral cats are considered likely to prey on dependent young.

Breeding season: Any time of year when resources are sufficient; breeding may continue for some time after local rain or flooding.

Clutch size: 2 to 4 eggs.

Nest location: On the ground within a spinifex clump or under a chenopod bush.

Productivity: About 0.8 fledglings per nesting attempt.

Incubation: Not provided in the supplied documents.

Age at maturity: Not provided in the supplied documents.

Lifespan: Not provided in the supplied documents.

  • Inspect dense spinifex and chenopod cover for nests only under an approved, low-disturbance procedure and with appropriate authority.
  • Treat recently fledged young as vulnerable because they may spend much of the post-fledging period on the ground while begging for food.

Breeding habitat: Breeding habitat features

Breeding sites are associated with stable, dense spinifex or other low vegetation that provides concealment for a ground nest and protection from weather and predators. The breeding site also needs access to nearby feeding areas that can support adults and young.

  • Retain old-growth or mature spinifex around suspected roost and nest sites, and avoid disturbing adjacent feeding habitat.
  • Manage fire to prevent intense, extensive burns across occupied or likely breeding habitat.
  • Control feral cats and foxes around known breeding sites, with particular attention to periods when dependent young are present.
  • Manage stock and other hard-hoofed herbivores to prevent trampling, loss of ground cover and degradation of food resources.

Sheltering habitat: Roosts and daytime cover

During daylight, Night Parrots shelter in dense, low vegetation and may use stable roost sites for long periods. Shelter is generally at ground level rather than in trees or tree hollows.

Most recent studies have located birds roosting in mature Triodia spinifex hummocks. The birds may roost in pairs or small groups and can maintain long-term, stable roost sites. Dense samphire and chenopod cover may also provide shelter.

  • Retain dense, mature spinifex hummocks and thick samphire or chenopod patches, particularly where they are close to feeding habitat and water.
  • Do not clear, burn, roll, grade, slash or drive through suspected roosting cover without species-specific assessment and controls.
  • Maintain a connected mosaic of cover rather than isolated clumps, because birds move between roosts, feeding areas and water during the night.

Sheltering habitat: Other shelter features

The species has been reported using tunnels in dense vegetation, cavities or caves near breakaways, and possibly shelters dug into sand. These records are less well established than the use of spinifex and other dense ground cover.

  • Include breakaways, caves, crevices, sand tunnels and dense vegetation edges in a habitat inspection where they occur within suitable arid country.
  • The supplied documents do not provide standard dimensions for roosts, tunnels, caves or shelter cavities.

Sheltering habitat: Disturbance sensitivity

Night Parrots are secretive and can remain hidden during the day. Close disturbance to the vegetation clump containing a bird may flush it, while historical reports describe birds being flushed by stock movement, dogs and fire.

  • Schedule non-essential works away from suspected roosts and avoid night-time vehicle movement, lighting and noise near known sites.
  • Keep personnel, vehicles and machinery out of dense cover unless access is authorised and the risk has been assessed.

Threats: Clearing, fragmentation and construction

The main threats are loss and degradation of dense ground cover, altered fire regimes, feral predators and grazing impacts. Because the species occurs in very small, isolated populations, disturbance or habitat loss at a single occupied site may have consequences beyond the area cleared.

Clearing can remove roosting, nesting and feeding habitat, while fragmentation can separate dense spinifex cover from productive feeding areas and water. Roads, tracks and construction activity may also increase access for predators and people.

  • Before clearing, map mature spinifex, samphire, chenopod, floodplain feeding areas, water sources and potential movement links.
  • Do not rely on a daytime walkover to exclude the species. Use current Night Parrot survey methods where habitat or records indicate that targeted assessment is required.
  • Keep project access, laydown areas, lighting and night works away from known or suspected roosts and breeding habitat.
  • Protect occupied sites and avoid unnecessary disclosure of precise locations where increased visitation could disturb birds.

Threats: Fire

Frequent or intense fire can remove the mature spinifex structure used for roosting and nesting. Very large fires can burn extensive areas at once and leave isolated populations without suitable cover.

  • Use strategic and targeted burning to retain areas of old-growth spinifex in likely or occupied habitat.
  • Do not burn vegetation to flush or locate a Night Parrot.
  • Plan firebreaks and prescribed burns so that they do not isolate or remove the only dense cover around a known site.

Threats: Predators and grazing

Feral cats and foxes prey on Night Parrots, particularly young birds. Cattle, sheep, rabbits and other herbivores can reduce ground cover, compete for food and degrade soil and vegetation around water points. Feral cats may be attracted to the begging calls of dependent fledglings.

  • Implement targeted cat and fox control in habitat likely to be used for breeding, subject to the relevant approvals and control plans.
  • Manage stock access to prevent trampling, overgrazing and loss of dense cover.
  • Assess water points for predator concentration and for degradation caused by hard-hoofed animals.

Threats: Disease, hydrology and climate

Psittacine beak and feather disease is a highly infectious parrot disease that can cause high nestling mortality and can persist in the environment for years. Its species-level effect on Night Parrots is not established in the supplied documents, but small and isolated parrot populations may be particularly exposed. Changes to waterhole hydrology, water availability and water use by camels may reduce access to water or alter predator pressure.

  • Apply hygiene and disease-control procedures when handling parrots, equipment or material that could transfer feather, skin or faecal particles.
  • Prevent unnecessary movement of potentially contaminated equipment between parrot sites.
  • Assess dewatering, diversion, filling, drainage and changes to water points for effects on seasonal water availability and surrounding vegetation.
  • Consider hotter and longer droughts in the assessment of future water dependence, especially where habitat is already fragmented.

Survey methodology: 1. Acoustic monitoring

The Night Parrot is a nocturnal, secretive ground-dwelling parrot of arid and semi-arid Australia. Surveys must focus on mature spinifex, samphire, chenopod vegetation, nearby feeding areas and water sources, and should use acoustic detection because visual searches have low detection probability.

Use automated recording units as the primary survey method in suitable habitat and around likely roosting, breeding, feeding and drinking areas.

Deploy units at mature spinifex and other dense ground cover, near productive floodplains, run-on areas, chenopod systems, salt lakes and water sources where these habitats occur together.

Schedule recording to cover dusk and dawn, when Night Parrots call predictably from roost sites, and include the night period when birds may travel to feeding and drinking areas.

Use the current Night Parrot recovery team survey protocols and automated signal-recognition methods rather than relying on the out-of-date effort table in the 2017 government guideline.

Typical nightly movement: Tracked birds travelled up to 9 to 10 km from roost sites to feed and drink.

Known tracking area: Two tracked birds remained within an area of approximately 70 km², with movements within a radius of less than 10 km from roosts.

  • Have calls assessed by personnel familiar with Night Parrot vocalisations and retain the original recordings for verification.
  • Treat an apparent call as a detection requiring expert confirmation, because the species is cryptic and occurs at very low densities.

Survey methodology: 2. Evening and night searches

Conduct targeted evening searches at isolated waterholes and in suitable habitat near mature, seeding spinifex, using experienced observers and quiet listening periods.

Search during the first hours after sunset and before sunrise, when birds may call, drink or move between roosting and feeding areas.

Use spotlighting only as a targeted detection method around waterholes, dense spinifex and likely feeding areas, and avoid entering or disturbing dense roosting cover.

Survey timing: Night searches are most useful after dark, particularly around waterholes and during the first and last parts of the night.

Detection behaviour: Birds call for short periods at dusk and dawn and may also call while feeding and drinking.

  • Record the time, location, habitat, weather, water availability, call direction and any visual observation for every survey event.
  • Do not flush birds from spinifex, samphire or chenopod cover as a survey technique, and do not burn vegetation to search for birds.

Survey methodology: 3. Habitat and sign searches

Inspect suitable habitat for feathers, tracks, roosting sites, tunnels and ground nests, with particular attention to dense spinifex clumps, samphire, chenopods and vegetation near water.

Use area searches to identify habitat that could be occupied, but do not treat a failure to find birds as evidence of absence without an adequate acoustic survey.

Where access is difficult, use methods that improve coverage without damaging dense ground cover or disturbing potential roosts and nests.

Day roost and breeding cover: Mature, dense spinifex is used for daytime roosting and breeding; chenopod and samphire cover may also be used.

Nest location: The nest is a flimsy grass cup on the ground within a spinifex clump or under a chenopod bush.

  • Map mature spinifex, dense samphire and chenopod patches, productive feeding areas, waterholes and movement routes between them.
  • Record habitat condition, including fire age where known, grazing pressure, feral predator signs, water availability and the presence of seed-producing grasses, herbs or chenopods.

Survey methodology: Minimum effort and reporting

Do not apply the old 2017 guideline effort table as a fixed minimum, because it records hours and days as unknown and states that the guideline is out of date.

Prepare a survey design that covers all suitable habitat and includes repeated acoustic coverage at dusk and dawn, with effort justified by habitat extent, remoteness, season and the likelihood of very low-density occupancy.

Submit confirmed records, credible probable records and survey metadata to the relevant state or territory wildlife database and the Night Parrot recovery team.

Report negative results with the locations of recording units, dates, operating times, habitat mapped, equipment settings, analysis method and expert review outcome.

Retain recordings, photographs, maps and chain-of-custody information so that records can be independently checked.

Before habitat disturbance: Avoid and minimise

Plan the project around retaining occupied or potentially occupied Night Parrot habitat. The species is known from isolated, low-density populations, so clearing decisions must be precautionary where mature spinifex and associated feeding or drinking habitat occur.

Avoid clearing mature spinifex, dense samphire and chenopod cover, especially where roosting vegetation is close to productive feeding areas or water.

Retain connected areas of old-growth spinifex and other dense ground cover so birds can move between roosts, feeding areas and water sources.

Keep disturbance away from known or suspected roosting, nesting and drinking sites, and use site-specific buffers set by the approving authority or recovery team.

Avoid creating new access tracks, lighting, noise, fencing or concentrated water points through retained habitat.

  • Design the project footprint around retained habitat rather than clearing first and attempting to restore it later.
  • Avoid fragmenting small habitat patches, because the species occurs in isolated populations at very low densities.
  • Manage cattle, sheep, rabbits and other herbivores so that retained ground cover, seed availability and soil condition are not reduced.

Before habitat disturbance: Approvals and work planning

Check whether the action is likely to significantly affect the EPBC Act listed Night Parrot and obtain environmental advice before finalising the footprint or construction method.

Check the relevant state or territory threatened-species listing, wildlife permits, clearing controls and fauna-handling requirements for the project location.

Obtain current advice from the Night Parrot recovery team where a project may affect mature spinifex, chenopod or samphire habitat, a water source, or a known record.

Prepare a fauna management plan that identifies survey methods, exclusion areas, stop-work triggers, fauna-handling authorities, contact details and reporting requirements.

  • Stage clearing so that the smallest practicable area is opened at one time and retained habitat remains connected.
  • Schedule fire, earthworks and vegetation removal outside periods when known sites are being used for nesting or breeding where project-specific information allows.
  • Treat breeding as potentially opportunistic because birds may attempt to breed throughout the year when food and other resources remain available.

Before habitat disturbance: Pre-clearance preparation

Complete the approved acoustic and habitat survey before works begin, and survey again if the start of works is substantially delayed or conditions change.

Mark mature spinifex, dense samphire and chenopod patches, water sources, feeding areas, suspected roosts, nests and movement routes on construction plans and on the ground.

Install exclusion fencing where it can protect retained ground cover and water sources without blocking likely Night Parrot movements.

Brief machinery operators, supervisors and fauna spotter catchers on the species profile, the site map, the stop-work process and the prohibition on unauthorised capture or disturbance.

  • Check retained habitat for feral cat and fox activity, grazing damage, recent fire and water-source degradation before works commence.
  • Do not use fire as a pre-clearance search method or to flush birds from cover.

During habitat disturbance: Daily controls and machinery coordination

Night Parrot habitat is ground-based and may be damaged by machinery, fire, grazing, soil disturbance or changes to water access. The fauna spotter catcher must work with the site supervisor to keep machinery away from retained cover and respond immediately to any credible detection.

Complete a daily pre-start briefing that confirms exclusion zones, approved work areas, survey findings, weather, recent fire, water conditions and the stop-work contact.

Keep machinery, vehicles, lighting and personnel within the approved footprint and prevent soil disturbance, waste, fuel spills and unauthorised access in retained habitat.

Use a fauna spotter catcher where required by the approval or fauna management plan, with the spotter positioned so that the operator receives clear, immediate instructions.

Use low-speed, staged clearing and stop machinery whenever the spotter cannot see the work area or a habitat feature is being approached.

  • Do not stockpile spoil, slash, pipes, fencing materials or equipment against retained spinifex, samphire, chenopod patches or water sources.
  • Prevent dogs, cats and other non-project animals from entering the work area or retained habitat.
  • Keep night lighting directed away from retained habitat and water sources, and avoid unnecessary night works near suspected roosts or feeding areas.

During habitat disturbance: Finds, habitat features and handling

Stop work immediately if a Night Parrot is seen, heard at close range, found injured, found dead, or suspected to be nesting or roosting within the work area.

Move people and machinery away from the location, establish a temporary exclusion zone and notify the site supervisor and the authorised fauna ecologist.

Do not chase, flush, catch, band, radio-track or relocate a Night Parrot unless the person and activity are authorised under the relevant approval and wildlife legislation.

If handling is authorised, use the least stressful method, keep the bird in a dark, quiet container for the shortest practicable time, and relocate it only to nearby suitable retained habitat approved by the fauna ecologist or regulator.

  • Treat ground nests, eggs, feathers, roost tunnels and dense spinifex clumps as protected habitat features and do not disturb them while their status is being assessed.
  • Do not assume that a Night Parrot uses hollow-bearing trees, logs or rock piles, because the documented roost and nest sites are primarily ground cover, spinifex, samphire and chenopods.
  • Take an injured or dead bird to an appropriately qualified wildlife veterinarian or wildlife carer through the approved state or territory pathway, and preserve the location and circumstances of the find.

During habitat disturbance: Stop-work triggers and records

Stop work within the affected area for any confirmed or credible Night Parrot detection until the fauna ecologist determines the response and the relevant approval requirements are met.

Stop work if clearing exposes a suspected nest, roost, tunnel or dense vegetation patch that was not mapped during pre-clearance surveys.

Record the date, time, coordinates, observer, activity, habitat, weather, description or recording, photographs, action taken, people notified and decision to recommence work.

Report confirmed records, mortalities, injuries, unauthorised habitat damage and repeated call detections to the relevant regulator and state or territory wildlife database.

  • Keep a daily fauna register, including nil observations, areas inspected, machinery used, clearing quantities and all exclusion-zone changes.
  • Do not recommence work until the fauna ecologist, site supervisor and approving authority contacts have documented that the trigger has been resolved.

After habitat disturbance: Post-clearance checks

Post-work actions must confirm that retained habitat has not been damaged and that any Night Parrot response is documented. Monitoring should focus on retained roosting and breeding cover, nearby feeding areas and water sources.

Inspect the completed work area and the edges of retained habitat for injured or dead birds, damaged spinifex, disturbed nests, soil compaction, erosion, altered drainage and new predator access.

Check that exclusion fencing, access controls and retained habitat markers remain intact and do not obstruct likely movements between roosts, feeding areas and water.

Remove temporary materials, spoil, waste, lighting and fencing that could damage or fragment retained ground cover.

  • Complete a fauna spotter catcher sign-off before the area is handed to the construction or operations team.
  • Map all changes to water sources, drainage, firebreaks, grazing access and vegetation cover.

After habitat disturbance: Monitoring and reporting

Repeat acoustic monitoring at retained or potentially occupied habitat where required by the approval, fauna management plan or recovery team advice.

Use the same recording locations and analysis approach where possible so that changes in detections can be compared over time.

Monitor for signs of cats, foxes, overgrazing, fire damage, reduced seed availability and degradation around water sources.

Report survey effort, detections, habitat condition, incidents, corrective actions and any failure of controls to the project environmental manager and the relevant regulator.

  • Submit confirmed and credible records to the relevant state or territory wildlife database and retain original acoustic files.
  • Record whether the project caused direct mortality, habitat loss, fragmentation, disturbance or changes in access to food and water.

After habitat disturbance: Controls and offsets

Maintain exclusion fencing, predator controls, grazing controls, fire controls and access restrictions for as long as they are required to protect retained habitat.

Review the fauna management plan if monitoring detects Night Parrots, repeated probable calls, new roosting activity or deterioration of retained habitat.

Where approval conditions require an offset or other conservation measure, ensure it protects suitable mature spinifex and associated feeding or drinking habitat and is managed for the Night Parrot rather than treated as an administrative replacement for avoidance.

  • Link any offset or conservation action to measurable habitat condition, predator pressure, fire history, grazing pressure and acoustic detections.
  • Do not remove controls solely because a survey did not detect birds, because the species is difficult to detect and occurs at very low densities.

Rehabilitation actions: Restore habitat structure

Rehabilitation should rebuild connected, low-disturbance ground habitat near suitable feeding and drinking areas. Recovery is likely to take time because Night Parrots depend on mature dense cover and use stable roost sites.

Retain and encourage mature spinifex, including old-growth Triodia cover suitable for daytime roosting and breeding.

Restore locally appropriate samphire, chenopod, saltbush, bluebush, grasses and forbs where these communities formed part of the pre-disturbance habitat.

Reinstate natural drainage, floodplain and run-on processes that support seed-producing grasses, herbs and chenopods.

Use local seed and plant material where available, and prevent weeds from replacing the dense ground cover needed for shelter.

  • Do not install nest boxes as a substitute for habitat restoration, because documented Night Parrot nests are on or near the ground rather than in tree hollows.
  • Do not add logs, rocks or artificial shelters unless a site-specific ecologist confirms that they are needed for another approved fauna outcome and they will not reduce Night Parrot ground cover.
  • Fence or otherwise manage rehabilitated areas to prevent cattle, sheep, rabbits and other herbivores from removing ground cover or damaging soil.

Rehabilitation actions: Fire, predators and water

Apply a fire regime that avoids intense, very large fires across occupied or potentially occupied habitat and maintains areas of old-growth spinifex.

Use strategic and targeted burning only under an approved fire plan that protects known or suspected roosting and breeding areas and retains a mosaic of suitable mature cover.

Control feral cats and foxes around known or likely breeding habitat, particularly where young birds may be vulnerable after fledging.

Protect permanent and ephemeral water sources from trampling, erosion, overuse and predator concentration, while retaining nearby feeding and roosting cover.

Breeding response: Breeding may continue throughout the year when resources remain available, sometimes for an extended period after rain or flooding.

Young bird vulnerability: Few fledged young may survive, and young birds can remain on the ground while begging for food, increasing their exposure to cats.

  • Coordinate fire planning with the land manager, Traditional Owners, recovery team and relevant fire authority.
  • Inspect rehabilitated habitat after fire, drought, flooding and grazing events, and repair controls before further disturbance occurs.

Rehabilitation actions: Monitoring and success measures

Monitor vegetation structure, spinifex maturity, seed-producing plants, ground disturbance, grazing, fire history, weeds, predator activity and water availability.

Use repeat acoustic monitoring at restored and nearby retained habitat once vegetation is established enough to provide potential roosting or feeding cover.

Assess success against agreed measures such as increasing mature ground cover, stable or improving habitat condition, reduced cat and fox activity, controlled grazing, effective fire protection and confirmed use by Night Parrots.

Adjust planting, grazing, predator, water and fire management when monitoring shows that restored habitat is not developing suitable cover or connected feeding and roosting areas.

  • Report rehabilitation results and Night Parrot records to the project regulator, land manager, relevant recovery team and state or territory wildlife database.
  • Keep monitoring records for the full approval or offset management period, including photographs from fixed points, maps, acoustic files and maintenance actions.

Sources