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Eastern Shriketit (Falcunculus frontatus)

The Eastern Shriketit is a medium-sized, arboreal Australian bird of eucalypt forests, woodlands, forested gullies and river margins. It can also use farms, parks, gardens and pine plantations where mature or scattered trees remain, so clearing projects should retain suitable trees and check for high fork nests before disturbance. The supplied conservation advice for the northern subspecies identifies fragmentation, intensive fire and vegetation change as important risks, while site assessments identify scattered trees as movement and foraging habitat.

Conservation status

Commonwealth, EPBC Act 1999: Vulnerable.

Northern Territory, Territory Parks and Wildlife Conservation Act 1976: Near threatened.

Breeding season

The supplied documents do not provide a complete seasonal calendar for the Eastern Shriketit. The breeding records below are based mainly on the northern subspecies, while the survey guidance recommends targeted detection from September to March.

Month values are January to December. The seasonal evidence is limited, and breeding dates from Falcunculus frontatus whitei should not be treated as confirmed dates for every Eastern Shriketit population.

  • Breeding: Eggs of the northern subspecies have been recorded in late January and March. The Eastern Shriketit breeding season is not separately defined in the supplied documents.
  • Young: The supplied documents do not give the nestling or fledgling period. January to April is shown as a precautionary period following the reported late January and March laying records for the northern subspecies.
  • Movement or dispersal: The species is not described as migratory. Northern shrike-tits are reported as resident throughout the year, with groups usually separated by large distances.
  • Survey detection window: Survey guidance recommends broadcast surveys from September to March, before 11 am or after 4.30 pm. The species may be noisier during the breeding season.
  • Highest clearing risk: Highest risk is assigned to the reported egg period and the following months when nests or dependent young may be present. Confirm timing locally because the supplied breeding dates are for the northern subspecies.

Identification

The Eastern Shriketit is an arboreal bird with a distinctive deep, hooked bill and prominent crest. The description below combines information for the nominate subspecies with closely related shrike-tit information from the northern subspecies, which should not be treated as confirmation of identical measurements or breeding timing.

Adults have striking black and white head markings, a black crest, green upperparts and yellow underparts. Males have a black throat, while females have an olive-green throat. The bill is conspicuously deep, strong and hooked.

The nominate subspecies is approximately 17 cm long with a wingspan of approximately 26 cm. No weight is provided in the supplied documents.

Identification: Distinguishing features

Within its range, the species is considered unlikely to be mistaken for another species because of its crest, strong hooked bill, green and yellow plumage and black and white head pattern.

Sex can be assessed from throat colour in adults, with black in males and olive-green in females. Age-related variation is not described in the supplied documents.

Identification: Field signs and detection

The main field signs are birds moving through tree foliage, branches and trunks, and a high fork nest or nest placed high in foliage. Nests are described as cupped structures.

The species is generally inconspicuous. Detection is mainly by call, and it may be noisy during the breeding season but quieter outside that period. No tracks, scats, sloughs or eyeshine are relevant field signs for this bird.

  • Inspect high forks and upper foliage in mature eucalypts before tree removal or heavy pruning.
  • Use binoculars to check trees around calling birds and search for small groups moving through the canopy.
  • Treat a call response as requiring visual confirmation where practicable, because the supplied survey guidance recommends checking active birds around the broadcast site.

Distribution: States and regions

The Eastern Shriketit occurs in eastern Australia, extending from the Atherton region in Queensland to south-eastern South Australia. The supplied documents do not provide a confirmed bioregional map or identify particular strongholds for the nominate subspecies.

The documented range includes Queensland, New South Wales, Victoria and south-eastern South Australia. Records are associated with eucalypt forests and woodlands, forested gullies and rivers in drier areas.

The supplied project material records the species as State Rare in South Australia, including a recent record near Crafers and records considered likely to occur near Tungkillo.

  • Queensland, including the Atherton region.
  • New South Wales and Victoria through eastern and south-eastern Australia.
  • South Australia, particularly south-eastern areas and the Mount Lofty region in the supplied project records.

Distribution: Population information

The supplied documents do not provide a national population estimate, a generation length, a quantified national trend or named strongholds for Falcunculus frontatus frontatus.

The available population estimates and fragmented subpopulation information in the conservation advice apply to Falcunculus frontatus whitei, the northern subspecies, and should not be transferred to the Eastern Shriketit without taxonomic and regional justification.

National population estimate: Not provided for the Eastern Shriketit in the supplied documents.

Population trend: Not quantified for the Eastern Shriketit in the supplied documents.

Northern subspecies reference: The northern subspecies was estimated at 1,000 to 2,000 mature individuals in the Northern Territory in 2010, but the estimate was described as low reliability.

Habitat: Habitat types

Eastern Shriketits use tree-dominated habitats across eastern Australia, including both intact vegetation and modified areas with retained trees. Habitat suitability depends on tree cover and access to trunks, branches, foliage and high nesting forks.

The species occurs in eucalypt forests and woodlands, forested gullies and along rivers in drier areas. It may also occur in rainforests, parks, gardens, farms with scattered trees and pine plantations.

A South Australian project assessment identified woodlands, farmland and grasslands with scattered trees as suitable habitat and noted that remaining scattered trees can provide movement corridors through cleared areas.

  • Eucalypt forest and woodland.
  • Forested gullies and river margins.
  • Farms, parks, gardens and pine plantations where suitable trees remain.
  • Scattered tree systems within otherwise cleared agricultural land.

Habitat: Vegetation and structure

The northern subspecies has been recorded in eight woodland types, mainly those dominated by Darwin Woollybutt, Darwin Stringybark or Smooth-stemmed Bloodwood. These records provide useful guidance for the shrike-tit group in northern Australia, but are not a complete habitat description for the Eastern Shriketit.

Important structure includes mature eucalypts with foliage, branches, trunks, bark and high forks. Retained trees may remain useful even where the understorey is modified.

  • Retain mature eucalypts and connected groups of scattered trees where practicable.
  • Avoid removing trees with high forks, dense upper foliage or active bird use until they have been checked.
  • Maintain tree cover along gullies, rivers and movement routes through cleared areas.

Habitat: Elevation and climate

The supplied documents do not define an elevation limit for the Eastern Shriketit. They describe a broad eastern Australian range and use habitat type rather than elevation to characterise occurrence.

Elevation limit: Not provided.

Climate limits: Not defined in the supplied documents; occurrence is described across eastern Australia from the Atherton region to south-eastern South Australia.

Foraging habitat: Diet and feeding sites

Shrike-tits forage in trees rather than relying on a single ground habitat. The supplied documents describe invertebrate foraging on foliage, branches, trunks and bark, with the species using a strong bill to work tree surfaces.

The northern subspecies is thought to feed mainly on invertebrates found in foliage, branches, trunks and bark across eucalypts and other tree species. The same broad foraging pattern is relevant to field assessment of the Eastern Shriketit, although a separate diet study for the nominate subspecies is not supplied.

Crested shrike-tits in south-eastern Australia are also described as foraging in and under decorticating eucalypt bark. Retained trees with peeling or loose bark may therefore provide additional foraging substrate.

  • Search foliage, branch junctions, trunks and bark for foraging birds.
  • Retain mature trees with rough, peeling or decorticating bark where they occur within the work area.
  • Check scattered trees as well as continuous woodland, because the species can use farms and modified areas with retained trees.

Foraging habitat: Foraging range

The supplied documents do not give a measured daily foraging distance or home-range size for the Eastern Shriketit. The northern subspecies is reported in small groups of two to five, with groups possibly up to 20 km apart and each group probably occupying a large home range.

For clearing assessment, isolated trees should not be treated as having no value solely because they are outside a larger patch. The South Australian assessments identify scattered trees as potential movement and foraging habitat.

Measured foraging range: Not provided for the Eastern Shriketit.

Northern subspecies spacing: Groups may be widely spaced, possibly up to 20 km apart.

Breeding habitat: Breeding biology

Breeding information is limited in the supplied documents. The most consistent requirement is a high tree fork or high foliage in a suitable mature tree, with the published egg dates applying to the northern subspecies.

Crested shrike-tits build cupped nests in a fork or place them high in tree foliage. The South Australian project assessment specifically identifies the high fork of a eucalypt as preferred nesting habitat.

Eggs of the northern subspecies have been recorded in late January and March. The supplied documents do not provide confirmed breeding dates for the Eastern Shriketit, so these dates should be treated as an indication for survey planning rather than a complete breeding calendar for all eastern populations.

Breeding season: Eastern Shriketit timing is not defined. For the northern subspecies, eggs have been recorded in late January and March.

Clutch size: Two to three eggs.

Nest site: A cupped nest in a fork or high in tree foliage, including high forks of eucalypts.

Incubation: Not provided.

Age at maturity: Not provided.

Lifespan: Not provided.

Breeding habitat: Breeding habitat protection

Potential breeding trees include mature eucalypts with high forks and upper foliage that can support a small cupped nest. Tree removal, heavy pruning and prolonged construction activity around occupied trees may affect breeding birds even where the tree itself is not removed.

Survey guidance recommends broadcast surveys from September to March, with sites at least 500 m apart, and area searches or line transects in suitable habitat. It also recommends checking active birds around broadcast sites with binoculars.

  • Inspect high forks and upper foliage before clearing or pruning.
  • Use a qualified fauna observer to check trees where birds are calling, displaying territorial behaviour or repeatedly entering the canopy.
  • Where a nest is found, retain the tree and manage disturbance around it in accordance with the relevant state approval and fauna handling requirements.

Sheltering habitat: Known shelter and cover

The species is arboreal and uses tree foliage, branches, trunks and bark for daily activity. The supplied documents do not describe separate roost trees, tree hollows, burrows or refuges used by the Eastern Shriketit.

Dense or elevated tree foliage provides cover for an arboreal bird that is generally inconspicuous. Birds may be encountered singly, in pairs or in small groups moving through the canopy.

Nests are placed high in foliage or in high forks, but the supplied documents do not state that the species requires hollows or cavities.

  • Retain mature eucalypts with dense upper foliage and multiple branches.
  • Avoid removing isolated mature trees until their use by shrike-tits and other canopy fauna has been checked.
  • Maintain connected or stepping-stone tree cover where work areas cross cleared agricultural land.

Sheltering habitat: Features not documented

No den, burrow, roost, hollow diameter, ground-cover requirement, refuge size or night-roost structure is specified for this species in the supplied documents.

Hollow requirement: Not documented.

Roost requirement: Not documented.

Refuge dimensions: Not documented.

Threats: Clearing and fragmentation

For project planning, the main documented risks are removal and fragmentation of tree habitat, loss of high nesting forks, intensive fire and broad vegetation change. Evidence for roads, disease, hydrology change and direct predation is not provided in the supplied documents.

Clearing can remove foraging trees, nesting forks and movement cover. The conservation advice for the northern subspecies notes that small groups with large home ranges may be particularly susceptible to fragmentation and may not persist in small remnants.

South Australian assessments describe scattered trees as valuable habitat and corridors through largely cleared areas. Their removal can reduce habitat continuity even where only individual trees are cleared.

  • Avoid clearing mature eucalypts, high forks and connected groups of scattered trees where practicable.
  • Map retained trees and nearby woodland before finalising access tracks, compounds, poles and infrastructure footprints.
  • Treat a low density of records as a reason for careful assessment, not as evidence that habitat is unused.

Threats: Fire and vegetation change

The conservation advice identifies frequent, high intensity late dry season fires as a likely threat to the northern subspecies. Introduced pasture grasses can increase fire intensity, while altered fire regimes can change native woodland structure.

Grazing by livestock and feral animals, exotic plants and broader changes to native woodland are also identified threats for the northern subspecies. These factors may reduce tree regeneration, understorey quality and habitat continuity.

  • Avoid work practices that increase the frequency or intensity of fires in suitable woodland.
  • Control exotic grasses and manage feral herbivores where they affect retained habitat.
  • Protect retained trees and woodland edges from unnecessary vehicle damage, soil disturbance and grazing pressure.

Threats: Other project risks

The supplied documents do not identify disease, road mortality, hydrology change or a quantified predator effect as threats to the Eastern Shriketit.

Construction disturbance can still affect birds if it occurs around an active nest or removes a tree used for feeding. Fauna spotter catchers should record observations and nests and apply the conditions of the relevant approval.

  • Check high forks and upper foliage before tree removal, pruning or major construction near retained trees.
  • Record calls, sightings, nest locations and repeated tree use so that avoidance areas can be adjusted during works.
  • Do not infer that a tree is unused because no bird is visible during one inspection, because the species is described as inconspicuous and quieter outside the breeding season.

Survey methodology: 1. Broadcast surveys

Confirm the taxon before fieldwork. The EPBC Vulnerable listing in the supplied advice applies to the northern subspecies, Falcunculus frontatus whitei, while the eastern subspecies, Falcunculus frontatus frontatus, is identified as State Rare in South Australia. Apply the survey and approval requirements for the subspecies and state in which the project occurs.

Use call playback at sites at least 500 m apart in suitable eucalypt woodland, forested gullies, riparian vegetation and areas with scattered mature eucalypts.

The supplied crested shrike-tit guideline is written for the northern subspecies. It is the closest published protocol in the supplied material and should be adapted for eastern shrike-tit habitat and confirmed against current state guidance.

Conduct broadcasts from September to March, before 11 am or after 4.30 pm.

At each site, broadcast for 5 minutes, move the player 5 to 10 m, broadcast in another direction for 5 minutes, and listen during the broadcast and for at least 2 minutes afterwards.

Use binoculars to check birds active in trees around the broadcast site, because the species is often detected by call but may be seen foraging in foliage, branches, trunks and bark.

Published effort guide: 4 hours over 3 days for broadcast surveys

Published survey period: September to March

Site spacing: At least 500 m between broadcast sites

Survey methodology: 2. Area searches and transects

Search suitable habitat using area searches or line transects, including mature eucalypts, forest edges, riparian trees and scattered trees retained in cleared areas.

Search for single birds, pairs and small groups of two to five birds, and check mobile foraging parties that may include varied sittellas and black-faced woodswallows.

Give particular attention to high tree forks and upper foliage, where nests may be placed, and to tree trunks, branches and bark where the birds forage for invertebrates.

Conduct searches during the published breeding period where possible, because the species is more vocal during breeding and quieter outside that period.

Published effort guide: 8 hours over 4 days for area searches or line transects in areas less than 50 ha

Detection: The species is inconspicuous, with detection mainly by call

Survey methodology: 3. Habitat and nest searches

Map eucalypt woodland and forest habitat before selecting survey points, including areas dominated by stringybarks, woollybutts, bloodwoods or other mature eucalypts.

Inspect tree forks and high foliage for cupped nests and recent nesting activity, but do not climb trees or disturb nests unless authorised under the applicable wildlife legislation.

Record the location, species, size and condition of habitat trees, the surrounding vegetation, nearby cleared areas and any connecting tree cover.

Treat an absence of detections as inconclusive where survey coverage is limited, because the species occurs at low density and may be widely spaced.

Survey methodology: Minimum effort and reporting

  • Use the published minimum of 4 hours over 3 days for broadcast surveys and 8 hours over 4 days for area searches or line transects where the guideline applies.
  • Increase effort where suitable habitat is fragmented, records are recent, works affect mature trees, or the project covers more than 50 ha.
  • Survey between September and March for playback, and complete searches before 11 am or after 4.30 pm.
  • Record survey dates, start and finish times, weather, wind, rainfall, observer names, playback locations, effort, call responses, visual detections, nesting evidence and habitat condition.
  • Map all detections and potential nesting trees in project plans and provide coordinates in the project fauna report.
  • Submit confirmed records and relevant negative survey data to the relevant state wildlife database, such as the South Australian Biological Database of South Australia where the project is in South Australia.
  • Check the current state survey guideline before relying on the northern subspecies protocol for an eastern shrike-tit assessment.

Before habitat disturbance: Avoid and minimise habitat loss

Plan around the species' use of mature eucalypts and connected woodland. The eastern shrike-tit may use eucalypt forests, woodlands, forested gullies, riverside vegetation, farms with scattered trees, parks, gardens and pine plantations.

  • Retain mature eucalypts, high tree forks, large branches, tree trunks and continuous or stepping-stone tree cover wherever practicable.
  • Avoid clearing forested gullies, riparian trees and connected woodland because these features provide feeding, nesting and movement habitat.
  • Retain groups of trees rather than isolated individual trees where practicable, because the species can occupy broad areas and may be sensitive to fragmentation.
  • Keep construction compounds, access tracks, laydown areas and spoil stockpiles out of retained woodland and scattered-tree habitat.
  • Use existing cleared areas and previously disturbed access routes before removing additional native vegetation.

Before habitat disturbance: Confirm approvals and responsibilities

Northern subspecies: EPBC Act Vulnerable

Eastern subspecies in South Australia: State Rare

  • Confirm the scientific name and subspecies in the project assessment before determining approval requirements.
  • If the affected taxon is Falcunculus frontatus whitei, check whether the proposed action is likely to have a significant impact on an EPBC Vulnerable species and whether an EPBC referral is required.
  • For Falcunculus frontatus frontatus, check the relevant state threatened species listing and obtain any required wildlife, vegetation clearance or fauna handling approvals.
  • Ensure fauna spotter catchers hold the licences, permits and authorisations required in the state or territory where the work occurs.
  • Include the species, habitat controls, encounter procedure, stop-work triggers and reporting requirements in the fauna management plan.

Before habitat disturbance: Prepare the work area

  • Complete the pre-clearance survey during the approved survey period and repeat it close to clearing if the original survey is no longer current under the approval.
  • Mark retained woodland, mature eucalypts, potential nest trees and access routes on the ground and in construction drawings.
  • Install exclusion fencing around retained habitat and no-go areas where machinery or personnel could otherwise enter.
  • Brief operators and supervisors on the species' appearance, call, likely tree habitat, nest locations and the requirement to stop when the species or active nesting evidence is found.
  • Stage clearing so that retained habitat remains available while each work area is checked and released by the fauna spotter catcher.

During habitat disturbance: Daily clearing controls

Keep a licensed fauna spotter catcher in direct contact with the clearing crew. The species is small, inconspicuous and usually detected by call, so visual checks of trees must accompany ground-based supervision.

  • Inspect the approved work area each day before machinery starts and confirm that exclusion fencing, retained trees and no-go areas remain intact.
  • Clear in sections, with the spotter catcher positioned where they can see the clearing face, machinery and nearby retained trees.
  • Use slow, staged clearing around mature eucalypts and tree forks, and stop machinery when the spotter catcher requires a closer inspection.
  • Do not allow workers to chase, handle or capture a bird unless they are authorised and directed by the fauna spotter catcher.
  • Prevent dogs, domestic animals and unauthorised personnel from entering retained habitat or interfering with an animal encounter.

During habitat disturbance: Animal encounters and handling

  • Stop work immediately if an eastern shrike-tit is observed in the clearing area, is repeatedly using a tree scheduled for removal, or is found injured or trapped.
  • Allow an uninjured bird to move naturally to nearby retained woodland where this can occur without pursuit or handling.
  • Use capture, containment and release only through an appropriately authorised fauna spotter catcher and in accordance with the relevant state or territory permit.
  • Release a captured bird into nearby retained habitat that provides mature eucalypts, connected tree cover and suitable foraging trees, subject to the approval and advice of the wildlife authority.
  • Place an injured bird in a secure, quiet container and transfer it as soon as practicable to an authorised wildlife carer or veterinarian.
  • Do not disturb a nest, eggs or dependent young, and obtain advice from the relevant wildlife authority before work resumes near active nesting evidence.

During habitat disturbance: Habitat features and stop-work triggers

  • Stop work and reassess if a tree contains a nest, has a high fork with nesting evidence, or is being used repeatedly for feeding or shelter.
  • Protect retained logs, fallen branches and understorey where they form part of woodland habitat and may support the invertebrate prey used by the species.
  • Do not remove adjacent trees that provide cover or connectivity around a retained habitat tree without first checking the fauna management plan and approval conditions.
  • Stop work if exclusion fencing is breached, the spotter catcher loses sight of the clearing face, or machinery approaches a retained habitat feature without clearance.
  • Record each detection, stop-work event, nest or habitat feature, action taken, release location, injury outcome and time that work resumed.

After habitat disturbance: Post-clearance checks

Do not treat completion of mechanical clearing as the end of fauna management. Check the work area and retained habitat, then maintain controls while construction continues.

  • Complete a final inspection of the cleared area for injured, trapped or displaced birds before the area is handed to the construction crew.
  • Check retained trees and woodland edges for damaged branches, nests, newly exposed habitat and breaches of exclusion fencing.
  • Confirm that no material, spoil, lighting or access track has encroached into retained woodland or tree corridors.
  • Update the fauna register and project map with final clearing boundaries, retained habitat, detections, relocations and incidents.

After habitat disturbance: Monitoring and reporting

  • Monitor retained woodland and mature eucalypts during construction for repeat use, nesting activity and effects from dust, noise, lighting, weeds or changed access.
  • Continue monitoring where the project removes or isolates tree groups, because fragmentation may reduce the suitability of smaller remnants for birds with broad home ranges.
  • Report incidents, threatened species observations, nest records, handling events and any approval non-compliance to the project environmental officer and the relevant authority.
  • Submit validated records to the relevant state wildlife database and retain the original field sheets, photographs, coordinates and permit records.
  • Maintain exclusion fencing, no-go areas, speed controls and fauna induction requirements until construction and rehabilitation are complete.

After habitat disturbance: Offsets and residual impacts

  • Assess residual loss of native vegetation and habitat trees under the applicable state native vegetation or biodiversity offset framework.
  • For an EPBC listed northern subspecies impact, address residual impacts through the approved EPBC assessment, conditions and any required offsets or conservation measures.
  • Do not use an offset as a substitute for retaining mature eucalypts, avoiding active nests or maintaining connected woodland within the project area.

Rehabilitation actions: Restore habitat structure

Rehabilitation should rebuild open eucalypt woodland with mature-tree recruitment, connected canopy and a functioning ground layer. It should also reduce the fire and weed pressures identified for the crested shrike-tit group.

  • Plant locally indigenous eucalypts and associated woodland species suited to the project site, using the local vegetation community rather than a generic tree mix.
  • Prioritise continuous or stepping-stone tree cover between retained woodland, gullies, rivers and scattered mature trees.
  • Protect planted trees from grazing and browsing until they are established, and replace failed plantings during the next suitable planting season.
  • Retain suitable fallen branches and logs from clearing where they do not create a fire or safety risk, because woodland structure supports invertebrate prey and shelter.
  • Retain existing mature trees and allow replacement trees to develop into large habitat trees rather than relying only on small plantings.

Rehabilitation actions: Manage weeds, grazing and fire

  • Control introduced pasture grasses and other weeds in rehabilitated and retained woodland because exotic grasses can increase fire intensity.
  • Manage livestock and feral herbivores to prevent grazing, trampling and loss of regenerating woodland.
  • Prepare a fire management strategy that reduces extensive, high intensity fires, particularly during the late dry season where that fire pattern applies.
  • Use lower intensity, planned fire regimes only where supported by the site's ecological advice, approvals and the needs of retained woodland.
  • Inspect rehabilitation areas for weed reinvasion, grazing damage and fire damage at each monitoring visit.

Rehabilitation actions: Measure success

  • Monitor planted-tree survival, natural regeneration, canopy connection, weed cover, grazing damage and fire impacts against the approved rehabilitation targets.
  • Repeat bird surveys using the same broadcast points, search areas, timing and effort used before disturbance so that changes in occupancy and detection can be compared.
  • Use September to March playback surveys and record responses, visual detections, nesting evidence and use of rehabilitated trees.
  • Investigate a failure to detect the species carefully because low density, wide spacing and quiet non-breeding behaviour can produce false absences.
  • Continue monitoring until the site supports established woodland structure, connected tree cover and stable native regeneration, or until the approval's completion criteria are met.

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