Fauna Spotters logo

Partridge Pigeon (Geophaps smithii)

The eastern Partridge Pigeon is a medium-sized, ground-dwelling pigeon of tropical northern Australia. It is listed as Vulnerable under the EPBC Act and in the Northern Territory and Western Australia, so clearing, fire management, grazing and construction disturbance in suitable open forest and woodland require careful assessment.

Conservation status

Commonwealth, EPBC Act 1999: Vulnerable.

Western Australia, Biodiversity Conservation Act 2016: Vulnerable.

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

Breeding season

The pattern below represents a typical Top End year. Breeding can occur outside the main period, so the absence of birds, nests or young in one month does not establish that the site is unused.

Month values are ordered January to December. A value of 0 means not typical, 1 means occurs or presents some risk, and 2 means peak or highest risk. Breeding is not restricted to the months shown.

  • Breeding: Eggs may be laid in all months, but most nesting occurs in the early to middle dry season. The main breeding period is broadly March to October, with peak activity expected around the middle of the dry season.
  • Young: Ground-nesting young may be present during the main dry-season breeding period. Eggs hatch after about 17 to 19 days, and the supplied documents do not give a fledging period.
  • Local movement and water concentration: Birds are largely sedentary but may move up to 5 to 10 km when food or water becomes scarce. Larger groups may gather around water in the late dry season, particularly September and October.
  • Foraging and home-range expansion: Home ranges may expand beyond the dry-season area when seed becomes scarce during the early wet season. Recently burnt or short-grass patches are important for feeding, while dense cover is used for nesting and shelter.
  • Highest clearing risk: Clearing, grading, slashing, burning and heavy vehicle movement are most likely to harm the species during the main March to October nesting period, especially when ground nests, eggs or dependent young are present. Habitat loss at any time can still affect feeding, shelter and water access.

Identification

The Partridge Pigeon is an unmistakable ground-dwelling pigeon within its range. It is most often detected when it flushes noisily from the ground rather than when it is seen perched.

It is a squat, medium-small to medium-sized pigeon with generally dull grey-brown plumage. A bright red patch of bare skin surrounds the eye in the eastern subspecies. The bird also has a conspicuous white stripe along the side of the body and in front of the folded wing, a white throat, and a prominent white underwing patch visible in flight.

Length: Up to 28 cm.

Weight: Up to 250 g.

Key facial feature: Bright red bare skin around the eye.

Identification: Distinguishing features

There are no similar species identified within the eastern Partridge Pigeon's range in the supplied survey guidance. The western subspecies, Geophaps smithii blaauwi, has yellow rather than red bare facial skin and occurs in the Kimberley. A red eye patch therefore supports identification as the eastern subspecies, but locality and distribution should also be checked.

  • Look for the white flank and wing stripe, white throat and white underwing patch when the bird flies.
  • Do not confuse the eastern and western subspecies on facial colour alone where their distributions approach one another.

Identification: Field signs and detection

The species forages, nests and roosts on the ground, so birds may be overlooked in dull grass and leaf litter. It flushes readily when closely approached and may make an explosive, noisy take-off. Area searches, transects and line flushing are suitable detection methods in open forest and woodland.

The nest is a simple ground nest or scrape lined with dry grass, usually placed in or around a grass tussock. The supplied documents do not describe diagnostic tracks, scats or a species-specific call, so these should not be relied on as evidence of absence.

  • Search suitable habitat by day using slow area searches or transects and record flushed birds, calls and locations.
  • Use line flushing with several observers where practical, particularly in the early dry season.
  • Watch waterholes during the late dry season, when birds may gather around remaining water.
  • For areas smaller than 50 ha, the survey guideline gives 20 hours over 5 days for area or transect searches, or 15 hours over 5 days for flushing surveys.

Distribution: National range

The eastern subspecies is now concentrated in the Top End of the Northern Territory, with an additional subpopulation on the Tiwi Islands. The former range was much broader and included parts of the Kimberley and lower rainfall areas of the Northern Territory.

Current records of the eastern subspecies extend from the Yinberrie Hills, about 50 km north of Katherine, through Litchfield National Park and the Top End to western Arnhem Land. A separate subpopulation occurs on Melville and Bathurst Islands in the Tiwi Islands.

The former range extended west to Kununurra and east to the McArthur River. Much of the decline occurred early in the twentieth century, with disappearance or contraction from western, eastern and southern parts of the former range.

  • Northern Territory: the main current range, including the Darwin and Daly region, Litchfield, Kakadu, Arnhem Land, the Katherine area and the Tiwi Islands.
  • Western Australia: the species and its western subspecies occur in the Kimberley; the eastern subspecies historically extended to the extreme east Kimberley near Kununurra.
  • Bioregion context: Top End tropical savannas, including open forest and woodland country, and the Kimberley where the ranges of the two subspecies are relevant.

Distribution: Strongholds and subpopulations

The Tiwi Islands population may be relatively abundant and isolated from some mainland threats. The population in Kakadu National Park is also important because it is a high-profile population and a focus for fire management. Smaller scattered populations elsewhere in the Top End may be isolated, including the population associated with Cobourg Peninsula.

  • Tiwi Islands, especially Melville and Bathurst Islands.
  • Kakadu National Park and adjoining Arnhem Land country.
  • Litchfield National Park and the Darwin-Daly area.
  • Yinberrie Hills and other Top End sites with suitable open forest, woodland and grassy understorey.

Distribution: Population size and trend

A current national population estimate is not provided in the supplied documents. The available assessment identifies a substantial decline in population size and habitat quality, with further decline inferred from monitoring data and deteriorating habitat.

Estimated decline: 30 to 49 percent over three generations.

Generation period used in the assessment: 17 years for three generations.

Current population size: Not stated in the supplied documents.

Habitat: Vegetation communities

Partridge Pigeons occur mainly in lowland tropical eucalypt open forest and woodland with a grassy understorey. They need a mixture of recently burnt, relatively open feeding areas and denser vegetated areas for nesting and shelter.

Preferred habitat is open forest and woodland dominated by Darwin stringybark, Eucalyptus tetrodonta, and Darwin woollybutt, Eucalyptus miniata, with a structurally diverse understorey. The species also occurs in other lowland eucalypt savanna woodlands and open forests across the Top End.

  • Lowland eucalypt open forest.
  • Eucalypt woodland and savanna with native grassy understorey.
  • Open forest and woodland with a mixture of short grass, taller grass and leaf litter.

Habitat: Habitat structure

Habitat needs to be patchy at the scale of a pigeon's home range. Recently burnt or otherwise open areas provide feeding habitat, while unburnt grass and other vegetation provide nesting, roosting and shelter sites. Very dense, tall grass can restrict movement and reduce access to seed.

  • Retain native grass species and a structurally varied understorey.
  • Maintain adjacent burnt and unburnt patches rather than broad uniform burns or uniformly long-unburnt grass.
  • Protect water sources and the surrounding open forest and woodland used for daily activity.
  • Treat habitat as potentially suitable where open feeding areas are close to dense grass cover.

Habitat: Climate and elevation

The species is restricted to tropical northern Australia and is described as occurring principally in lowland habitat. The supplied documents do not give a reliable elevation limit. Lower rainfall parts of the former range have experienced declines or local disappearance.

Climate region: Tropical northern Australia, with a pronounced wet and dry season.

Elevation: No numerical elevation limit is stated; habitat is principally lowland.

Foraging habitat: Diet and feeding sites

Partridge Pigeons feed entirely on the ground and rely mainly on seeds from native grasses. They use recently burnt or otherwise open ground for feeding, while moving between patches and water sources within a local home range.

The diet comprises seeds, mostly from grasses, together with seeds from Acacia and other woody plants. Birds usually feed in recently burnt areas, on short grass, or on open ground where movement and seed access are easier.

  • Search for feeding birds in recently burnt patches, short grass and open areas within eucalypt woodland.
  • Retain native grass diversity and seed-producing plants, including Acacia and other woody species.
  • Avoid assuming that dense, unburnt grass is feeding habitat simply because it has high cover.

Foraging habitat: Foraging range and water

The species is largely sedentary but can make local movements of 5 to 10 km when seasonal water or food availability changes. One study recorded a home range of about 8 ha during the dry season, expanding to more than 30 ha when seed became scarce during the early wet season.

Birds may form larger flocks around water late in the dry season. Permanent water can allow birds to remain in the same area throughout the year.

Local movement distance: Up to 5 to 10 km.

Dry-season home range: About 8 ha in one study.

Expanded home range: More than 30 ha when seed became scarce in the early wet season.

  • Assess habitat beyond the clearing footprint where a project could interrupt access between feeding patches and water.
  • Give particular attention to waterholes and other remaining water sources during late dry season surveys.

Breeding habitat: Breeding biology

Breeding occurs on the ground in grassy habitat. Nesting birds need dense grass or tussocks for concealment, but the surrounding home range also needs open feeding areas and protection from extensive dry-season fire.

The species generally nests in the early dry season, when grass is cured and fires become more prevalent. Eggs have been recorded in all months, so breeding should not be excluded solely because a survey occurs outside the main nesting period.

Breeding season: Eggs may be laid in all months; most nesting occurs in the early to middle dry season, broadly March to October.

Nest: Simple ground nest or scrape lined with dry grass, usually in or around a grass tussock.

Clutch size: Two glossy creamy-white eggs.

Incubation: About 17 to 19 days.

Age at maturity: Not stated in the supplied documents.

Lifespan: Not stated in the supplied documents.

Breeding habitat: Breeding habitat features

Nest sites are placed on the ground in relatively dense grass cover, while feeding generally occurs in recently burnt or open areas. A suitable breeding site therefore includes both nesting cover and nearby open feeding habitat.

Large or intense fires during the nesting period can destroy dry-grass nests and kill eggs or young. Livestock and other large herbivores may also trample nests.

  • Retain dense native grass tussocks and ground cover around potential nesting areas.
  • Keep nesting cover connected to nearby open feeding patches.
  • Avoid clearing, grading, slashing, burning and heavy vehicle movement through suitable grassland during the main breeding period where practicable.
  • Inspect dense grass tussocks before disturbance and use an approved fauna spotter catcher where a bird, nest or dependent young is found.

Sheltering habitat: Roosting and refuge

The Partridge Pigeon spends almost all of its time on the ground, including when nesting, feeding and roosting. Ground cover is therefore important for concealment and refuge, especially after fire.

Birds roost on the ground in vegetation and may use dense grass cover for shelter. Extensive intense fires can remove this cover and increase exposure to feral cats and other predators. The supplied documents do not identify a fixed roost structure, burrow, hollow or den.

  • Retain unburnt grass and other ground cover adjacent to open feeding patches.
  • Avoid creating large areas of bare ground or uniformly burnt habitat.
  • Protect shelter around waterholes and other sites where birds may concentrate in the late dry season.

Sheltering habitat: Ground nests

Nests are simple ground scrapes or nests lined with dry grass, generally placed in or around dense grass tussocks. They can be difficult to detect during clearing because the bird is dull-coloured and the nest is close to ground level.

Known shelter or nest structure: Ground nest or scrape in dense grass, lined with dry grass.

Other refuges: No specific burrow, hollow or den is described in the supplied documents.

  • Use a trained fauna spotter catcher to inspect dense grass, tussocks and ground cover before clearing.
  • Stop work and establish an appropriate exclusion area if a nest, eggs, young or attending adult is found.
  • Treat recently burnt feeding areas and adjacent unburnt grass as one connected habitat unit during site assessment.

Threats: Clearing and development

The main risks are broad changes to fire patterns, loss of native grassy open forest, exotic pasture grasses, feral cat predation and grazing. Clearing and construction can remove habitat directly and can sever access between feeding, nesting, roosting and water sites.

Clearing for horticulture, forestry, rural residential development, mining and infrastructure can remove open forest, woodland and grassy understorey. Areas of particular concern include the Tiwi Islands and the Darwin-Daly region. Fragmentation may reduce the value of small remnants and interrupt local movement between habitat patches and water.

  • Map all open forest and woodland with native grassy understorey within and around the project area before clearing.
  • Assess habitat retained outside the footprint, including waterholes, feeding patches, nesting cover and likely local movement routes.
  • Avoid unnecessary removal of native grass cover and retain connected habitat wherever practicable.

Threats: Fire and invasive grasses

The primary threat is an altered fire regime that produces fires extending over large areas or removes the fine-scale mosaic of burnt and unburnt habitat. Too much fire can destroy nests, eggs and young and remove ground refuges. Too little fire can produce dense tall grass that restricts ground movement and access to seed.

Gamba grass and mission grass can replace native grasses, increase fuel loads and produce more frequent, extensive or intense fires. Large exotic-grass fires can also simplify the understorey and reduce seed resources.

  • Maintain a fine-scale mosaic of burnt and unburnt habitat at the scale of the bird's home range.
  • Prevent the spread of gamba grass, mission grass and other exotic pasture grasses into native open forest and woodland.
  • Plan construction fire controls and rehabilitation to avoid increasing fuel continuity or replacing native grass with high-fuel exotic grass.

Threats: Predators, grazing and nest damage

Feral cats are a major concern because the species is almost entirely terrestrial. Predation risk can increase after extensive fire removes ground cover. Livestock and feral herbivores can degrade the understorey and trample ground nests.

  • Control or manage feral cats where the project may increase access to habitat or remove ground cover.
  • Exclude livestock and feral herbivores from retained nesting and feeding habitat where feasible.
  • Inspect work areas for ground nests before vehicle access, earthworks, slashing or clearing.

Threats: Roads, disease and hydrology

The supplied documents do not identify a specific disease threat or quantify road mortality. Roads and construction traffic can still remove habitat, disturb birds, create bare edges and increase access for predators. Changes to water availability may cause local movements of up to 5 to 10 km and can concentrate birds at remaining water sources.

  • Manage vehicle speeds and traffic around retained habitat and water sources, particularly during the breeding season and late dry season.
  • Prevent sediment, pollutants and construction drainage from degrading waterholes and surrounding ground cover.
  • Record and report injured or dead birds found on roads or within the project area.
  • Do not infer that disease or road impacts are absent simply because they are not quantified in the supplied documents.

Survey methodology: 1. Area searches and transects

Survey the eastern partridge pigeon, Geophaps smithii smithii, in suitable northern Australian habitat before clearing or construction. It is a ground-dwelling pigeon that can be overlooked because of its dull plumage, but it flushes readily when approached closely.

Search open eucalypt forest and woodland dominated by Darwin stringybark, Eucalyptus tetrodonta, and Darwin woollybutt, Eucalyptus miniata, with a structurally diverse grassy understorey.

Cover recently burnt areas, short grass, vegetated shelter areas and sites near permanent or seasonal water.

Search on foot for birds, calls, tracks, feeding signs and movement, and record all observations with coordinates and habitat details.

Recommended effort: 20 hours over 5 days

Typical home range: About 8 hectares during the dry season, expanding to more than 30 hectares when seed becomes scarce in the early wet season

  • Complete 20 hours of area searches or transect surveys over 5 days in areas smaller than 50 hectares.
  • Conduct searches during the early to mid dry season where practicable, when birds are more likely to be detected by flushing and nesting activity is concentrated.
  • Include both recently burnt feeding areas and denser unburnt areas used for shelter, roosting and nesting.

Survey methodology: 2. Flushing surveys

Use a line of observers walking through suitable savanna and woodland habitat to flush birds from the ground.

Record the direction of flight, number of birds, habitat from which they flushed and the location where they landed or moved.

Recommended effort: 15 hours over 5 days

Detection behaviour: The species flushes readily when closely approached and has no similar species in its range

  • Complete 15 hours of flushing surveys over 5 days in areas smaller than 50 hectares.
  • Walk slowly enough to detect birds before they flush, while maintaining a safe and consistent line between observers.
  • Avoid treating a lack of flushed birds as evidence of absence where habitat is dense, access is restricted or survey conditions are poor.

Survey methodology: 3. Waterhole searches

Inspect waterholes and other permanent or late dry season water sources in suitable habitat, because birds may gather there when local water sources have depleted.

Use watches and targeted searches rather than relying only on general habitat searches.

Recommended effort: 20 hours over 10 days

Seasonal movement: Local movements of up to 5 to 10 kilometres may occur in response to seasonal changes in water and food availability

  • Complete 20 hours of targeted searches over 10 days during the late dry season.
  • Watch waterholes at suitable periods during daylight and record the number of birds, arrival and departure directions, nearby feeding habitat and evidence of regular use.
  • Search adjoining cover as well as the water edge, because the species forages, nests and roosts on the ground.

Survey methodology: Minimum effort and reporting

  • Use the survey effort that matches the habitat, project footprint and likely impact, and explain any departure from the guideline in the survey report.
  • Survey all suitable habitat that may be cleared, fragmented, burned or otherwise disturbed, including habitat connected to known records.
  • Report survey dates, times, weather, recent fire history, search tracks, observer effort, detection methods, negative results and all records with coordinates.
  • Submit verified records to the relevant Northern Territory or Western Australian wildlife database, as applicable to the project location.
  • Retain photographs, call or observation notes, spatial data and chain of custody information for any biological material.

Before habitat disturbance: Avoid and minimise

Treat suitable open forest and woodland with native grassy ground cover as potential partridge pigeon habitat, particularly where recently burnt feeding areas occur beside denser grass cover. Confirm the species’ status and project obligations before any clearing, roadwork, fire, earthworks or vegetation treatment.

Avoid clearing occupied or suitable open eucalypt forest and woodland, especially habitat containing a fine-scale mixture of recently burnt feeding areas and unburnt shelter, nesting and roosting cover.

Retain native grass species, leaf litter, ground cover, water sources and connected habitat patches.

Keep retained habitat connected across the project area and avoid creating isolated patches or barriers between feeding areas, shelter and water.

  • Design the footprint around the most intact habitat and known records wherever practicable.
  • Do not assume that recently burnt areas have low value, because the species prefers open recently burnt areas for feeding.
  • Avoid broad-scale fire, grading, slashing and fuel treatments that remove the fine-scale mosaic required by the species.

Before habitat disturbance: Approvals and planning

The eastern partridge pigeon is listed as Vulnerable under the EPBC Act and in the Northern Territory; the supplied project information also identifies a Vulnerable state listing in Western Australia.

Assess whether the action is likely to have a significant impact on the species or its habitat and obtain an EPBC Act referral or approval where required.

Check the applicable state or territory wildlife legislation, clearing controls, permits and fauna handling requirements before works begin.

  • Engage the relevant environmental regulator early where the project may clear known or suitable habitat.
  • Prepare a fauna management plan that identifies habitat to retain, survey results, exclusion areas, fauna handling procedures, stop-work triggers, reporting requirements and emergency contacts.
  • Include Aboriginal landholders and Traditional Owners in planning where works occur on Aboriginal land or where local knowledge can improve fire and habitat management.

Before habitat disturbance: Timing and site preparation

Plan clearing outside the early to mid dry season where practicable, because most nesting occurs in the early to mid dry season and nests are placed on the ground in or around grass clumps.

Recognise that eggs may be laid in all months, so seasonal timing does not remove the need for pre-clearance checks.

Complete a pre-clearance survey immediately before works, with the timing and effort suited to the habitat and the survey guideline.

  • Mark retained habitat, water sources, recent burns, dense grass cover and all known records on the construction plans and on the ground.
  • Install exclusion fencing around retained habitat and water sources where it can prevent machinery access without blocking bird movement between habitat patches.
  • Brief machinery operators and the fauna spotter catcher on the species’ ground-dwelling behaviour, likely nest locations, handling limits and stop-work procedures.
  • Do not commence clearing until exclusion zones, access routes and fauna response procedures have been checked by the project ecologist.

During habitat disturbance: Daily controls

The species spends almost all of its time on the ground, including when feeding, nesting and roosting. A fauna spotter catcher must therefore inspect ground cover and the immediate work area, not only trees and obvious fauna structures.

Complete a daily pre-start inspection of the approved work area, access tracks, stockpiles and exclusion fencing before machinery enters.

Maintain exclusion fencing, gates and signs, and repair any breach before work continues.

Keep machinery within the approved footprint and prevent unplanned widening of tracks, laydown areas or work pads.

Stop work during conditions that prevent effective detection, such as heavy rain, smoke, dust, darkness where a daylight inspection is required, or unsafe access.

  • Have the fauna spotter catcher walk the work area ahead of clearing machinery and inspect dense grass, recently burnt edges, leaf litter, logs, debris and ground depressions.
  • Use a staged clearance approach, starting with low-impact vegetation removal and retaining safe escape routes towards retained habitat.
  • Do not burn, slash or mulch habitat ahead of the approved clearance sequence unless the fauna management plan specifically allows it and the area has been checked.

During habitat disturbance: Fauna spotter catcher and machinery

The fauna spotter catcher should remain close enough to stop machinery before it reaches a bird, nest or other fauna, while staying outside the machine exclusion zone.

The spotter catcher should direct the operator to stop, isolate and secure the machine before approaching any animal or habitat feature.

Use a clear radio or hand-signal protocol, and make the fauna spotter catcher’s stop instruction mandatory.

  • Keep the machine stationary until the spotter catcher has confirmed that the area is clear or that an authorised fauna response is in place.
  • Inspect the ground progressively as vegetation is removed, because a partridge pigeon may remain concealed in grass or leaf litter until approached closely.
  • Record the machine, work area, time, observer, fauna detected, action taken and whether work resumed.

During habitat disturbance: Fauna response and stop-work triggers

If a partridge pigeon is found, stop the activity that may harm it and allow an unobstructed route to nearby retained habitat where safe.

Do not chase, corner, catch or relocate the bird unless handling is necessary to prevent immediate harm and the person is authorised under the applicable permit or wildlife requirements.

If the bird is injured, contain it only where authorised, minimise handling and noise, and arrange transfer to a veterinarian or authorised wildlife carer.

  • Stop work if a bird, active ground nest, eggs, dependent young or repeated bird movements indicate that the work area is occupied.
  • Stop work if clearing enters an exclusion zone, if the spotter catcher loses visual control of the work front, or if an unplanned fire, fuel spill or machinery incident affects retained habitat.
  • Contact the project ecologist and relevant regulator when a nest, injured bird, death or significant habitat impact is found.
  • Resume work only after the project ecologist has assessed the risk, documented the decision and confirmed that controls are effective.

During habitat disturbance: Ground habitat and other features

Inspect logs, rocks, dense grass clumps, leaf litter and ground depressions before they are moved, crushed or buried, even though the supplied documents do not identify a dependence on tree hollows, burrows or artificial nest boxes.

Retain ground cover and native grass clumps wherever they fall within the approved retained habitat.

Treat waterholes and nearby cover as fauna habitat and prevent sediment, fuel, waste and machinery access from degrading them.

  • Do not remove logs, rocks or dense grass from retained habitat unless authorised by the fauna management plan.
  • If a habitat feature must be moved, have the fauna spotter catcher inspect it immediately before movement and check the receiving area for fauna suitability.
  • Do not use tree-hollow procedures as a substitute for ground-based searches, because this pigeon nests and roosts on the ground.

After habitat disturbance: Post-clearance checks

Confirm that the approved footprint has been cleared safely, that retained habitat remains functional and that all fauna incidents have been closed out. Post-clearance work should check both the disturbed area and the adjoining habitat that the birds may use for feeding, shelter and water.

Complete a final inspection of the cleared area, exclusion zones, retained grass cover, water sources and access tracks before demobilisation.

Check for injured or trapped fauna, damaged fencing, soil movement into water sources, accidental habitat removal and unrecorded fire impacts.

Search the margins of the cleared area for birds that may have moved into adjoining habitat or become isolated by the works.

  • Remove temporary hazards such as open pits, unsecured pipes, netting, waste and exposed trenches, or make them fauna safe.
  • Close out each fauna incident with the location, species, photographs where appropriate, action taken, person responsible and regulator notification status.
  • Do not remove exclusion fencing until the project ecologist confirms that construction risks have ended and the retained habitat is secure.

After habitat disturbance: Monitoring and reporting

Monitor retained habitat and known nearby water sources for partridge pigeons using repeatable area searches, flushing surveys or targeted waterhole searches.

Use the same search areas, timing and effort between monitoring periods where possible so changes in detections can be interpreted.

Report changes in native grass cover, recent fire extent, exotic grass spread, feral cat activity, livestock access and water availability.

  • Continue monitoring where the project has removed or fragmented habitat, altered fire patterns, increased vehicle traffic or changed access to water.
  • Provide the land manager, project regulator and relevant wildlife database with verified records and the final fauna management report.
  • Report deaths, injuries, active nests, unauthorised clearing and material changes to approved controls as soon as required by the permit or approval.

After habitat disturbance: Offsets and residual impacts

Assess residual impacts after avoidance, minimisation, rehabilitation and monitoring measures have been applied.

Where an EPBC Act approval or state approval requires an offset, implement the approved offset or conservation measure and demonstrate that it protects suitable partridge pigeon habitat.

Do not count an offset as a substitute for retaining occupied habitat, native grass cover, water sources and connected habitat within the project area.

  • Document the area and condition of habitat lost, retained, rehabilitated and protected.
  • Link any offset or compensatory measure to the species’ identified needs, including native grassy open forest, fine-scale fire structure and protection from broad-scale degradation.

Rehabilitation actions: Habitat restoration

Rehabilitation should recreate connected open eucalypt woodland with native grassy ground cover and a patchy mixture of feeding, shelter, nesting and roosting habitat. The objective is not simply to establish vegetation cover, but to restore the ground conditions and fire pattern used by this pigeon.

Re-establish native open eucalypt forest or woodland with native grass species and a structurally diverse understorey that reflects the surrounding habitat.

Restore a mixture of open, recently burnt-style feeding areas and denser vegetated areas for shelter, nesting and roosting, rather than creating one uniform grass layer.

Reconnect rehabilitated areas with retained habitat and nearby water sources.

  • Use locally appropriate native species and seed collected or sourced in accordance with project approvals and local provenance requirements.
  • Do not plant or spread gamba grass, mission grass or other exotic pasture grasses, because they replace native grasses and increase fuel loads and fire intensity.
  • Reinstate fallen timber and other retained ground features where their removal has reduced cover, while checking each feature for fauna before placement.
  • Do not install nest boxes as a default measure, because the supplied documents identify ground nesting rather than a requirement for tree hollows or nest boxes.

Rehabilitation actions: Fire and weed management

Develop a fire management program that maintains fine-scale patchiness, with burnt and unburnt areas juxtaposed at approximately the scale of the pigeon’s home range.

Use fire planning that protects early dry season nests and avoids large, intense or extensive fires that remove ground cover and increase predation risk.

Control gamba grass, mission grass and other exotic grasses before they increase fuel loads or alter native food resources.

  • Coordinate fire management with Traditional Owners, land managers and the relevant fire authority where practicable.
  • Record burn timing, area, intensity, weather, fuel condition and the response of native grass cover.
  • Inspect rehabilitated areas after fire and control exotic grass regrowth before the next high-fuel period.
  • Do not leave rehabilitated areas unburnt indefinitely where dense tall grass prevents ground movement and reduces access to seed resources.

Rehabilitation actions: Predator and grazing controls

Manage feral cats where they threaten rehabilitated or retained habitat, particularly after extensive fire when reduced ground cover can increase predation risk.

Prevent livestock and feral herbivores from trampling nests, damaging native grasses or degrading rehabilitation areas.

Maintain fencing and access controls that exclude stock without blocking bird movement between habitat patches.

  • Inspect for cat activity, stock access, nest trampling and loss of native grass cover during each monitoring visit.
  • Integrate predator, grazing, weed and fire actions rather than treating them as separate controls, because these pressures can compound one another.

Rehabilitation actions: Monitoring and success measures

Monitor rehabilitation for native grass establishment, understorey structure, exotic grass cover, fire patchiness, water availability, predator activity and partridge pigeon use.

Use repeatable surveys based on area searches, flushing surveys and targeted waterhole searches, with effort recorded in hours and days.

Compare rehabilitation results with nearby retained habitat and adjust fire, weed, grazing or predator controls where the intended habitat structure is not developing.

  • Set project-specific completion criteria before works begin, including survival and cover of native plants, absence or acceptable control of exotic grasses, functioning fencing, stable soil and water protection.
  • Record partridge pigeon detections, flock size, behaviour, habitat used and distance to water during each monitoring event.
  • Continue monitoring through the early dry season and late dry season where the approval or management plan requires evidence of nesting, feeding and waterhole use.
  • Submit significant records and confirmed threats to the relevant state or territory wildlife database.

Sources