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Pink Robin (Petroica rodinogaster)

The Pink Robin is a small forest bird of south-eastern Australia. It breeds in dense, damp gullies, wet eucalypt forest and cool temperate rainforest, then commonly moves to drier, more open habitats while retaining dense shrub cover. Clearing or degrading these habitats can remove breeding sites, feeding cover and movement habitat on development sites.

Conservation status

New South Wales, Biodiversity Conservation Act 2016: Vulnerable.

Breeding season

Timing varies across the range, but the main breeding period is spring to summer. Some birds disperse or move to drier and more open habitats after breeding, and birds may be more visible in winter.

Month values run from January to December. A value of 0 means not typical, 1 means occurs, and 2 means peak or highest risk.

  • Breeding: Breeding is reported from September to January, with breeding also described as occurring through to March.
  • Breeding and dependent young: Nests may contain 3 to 4 eggs, and both parents feed the chicks. The supplied documents do not give incubation or fledging durations, so the wider September to March period is used as the practical breeding and dependent-young risk window.
  • Movement or dispersal: After breeding, some birds move to drier and more open habitats. This movement is mainly associated with brown-plumaged young birds, and birds may be more obvious in winter.
  • Winter use of open habitat: In winter, Pink Robins may occur in more open and drier habitats while continuing to use dense shrubby undergrowth.
  • Highest clearing risk: Risk is highest from September to March because birds may be nesting or caring for dependent young. September to January is the main documented breeding period.

Identification

The Pink Robin is a small, compact robin that is often difficult to detect in dense vegetation. Its call may be heard before the bird is seen.

The male has a sooty-black or brownish-black back, head and upper chest, a small white spot above the bill, and a bright pink wash extending from the breast to the belly. The female is warm olive-brown or brown above, with cinnamon-buff or pale brown underparts and sometimes a faint pink wash on the breast. Juveniles resemble females.

Females and young birds can show diagnostic buff wing patches. The species has a plain dark tail without the white outer tail edges seen on some other Petroica robins.

Maximum length: 13 cm

Typical size category: Very small, generally less than 15 cm

Identification: Distinguishing features

Check the combination of a pink male belly, dark plain tail and small pale spot above the bill. In females and young birds, use the buff wing patches and plain dark tail together with the habitat and call, rather than relying on plumage colour alone.

  • Do not identify a female or juvenile from a pink wash alone, because the pink tint can be faint.
  • Separate the Pink Robin from other Petroica robins by its plain dark tail, which lacks white edges.

Identification: Field signs and detection

The call is a short, chattering trill, described as ‘chwit-tr-tr-tr-tr’, and a nearby bird may remain hidden in dense vegetation. A shorter call is also described as ‘tik, tik, tik’.

The nest is a well-camouflaged, deep cup made from green moss and bark strips bound with spider webs. It is decorated with lichen and lined with fine grass, fern, feathers or fur, and is placed in a fork of a tree or shrub.

  • Listen from the edge of dense gullies and shrub layers before entering habitat, because calling birds may remain out of sight.
  • Inspect mossy or lichen-covered forks in trees and shrubs for nests before vegetation removal.
  • Treat a deep cup nest, green moss construction and spider-web binding as consistent with Pink Robin nesting habitat, but confirm the bird where possible.

Distribution: States and regional occurrence

The Pink Robin is endemic to south-eastern Australia. It occurs across Tasmania and the south-eastern mainland, including wetter parts of Victoria and far south-eastern New South Wales.

The supplied sources record the species in New South Wales, Victoria, Tasmania and South Australia. Breeding is reported throughout Tasmania, on King Island and Flinders Island, in the wetter parts of Victoria, and in far south-eastern New South Wales.

The supplied sources do not assign the species to named Australian bioregions. They identify habitat and regional occurrence rather than a complete bioregional distribution.

Recorded states: New South Wales, Victoria, Tasmania and South Australia

Named island localities: King Island and Flinders Island

Known breeding regions in the supplied material: Tasmania, King Island, Flinders Island, wetter Victoria and far south-eastern New South Wales

Distribution: Population information

The supplied documents do not provide a national population estimate, population trend, home range or confirmed stronghold population size. The Southern CRA tables record fewer than 10 records for the Pink Robin in the listed South Coast and Tablelands modelling datasets, but these are survey records and should not be treated as an abundance estimate.

National population estimate: Not provided in the supplied documents

Population trend: Not provided in the supplied documents

Southern CRA modelling records: Fewer than 10 records in the South Coast dataset and fewer than 10 records in the Tablelands dataset

Habitat: Breeding habitat

Habitat use changes through the year. Breeding birds use dark, damp and densely vegetated sites, while birds outside the breeding period may occur in drier and more open areas.

Breeding habitat includes deep gullies in moist or wet eucalypt forests, cool temperate rainforest, tall open eucalypt forest and other densely vegetated forest. Dense shrub layers and understorey cover are recurring features.

The Southern CRA expert models treated a wide range of vegetation systems as intermediate habitat, including moist forest, rainforest, alpine and sub-alpine systems, frost hollows, plateaux complexes, regrowth, wattle scrub, woodland, allocasuarine vegetation, dry forest and some disturbed or logged vegetation systems. No area was classified as core habitat in those models.

Key structural features: Dark gullies, dense shrub layers, moist or wet forest, rainforest and mossy or lichen-covered trees and shrubs

Elevation limit: No elevation limit is provided in the supplied documents

Habitat: Seasonal habitat shift

After breeding, many birds move to drier, more open habitats, although they continue to use dense shrubby undergrowth. Birds are reported to be more obvious in winter after moving into more open country.

  • Retain dense shrub cover when clearing or thinning adjoining open forest, because non-breeding birds may still depend on that cover.
  • Survey both damp gullies and nearby drier, more open forest when assessing potential habitat.

Foraging habitat: Diet and feeding method

The Pink Robin is an active insect and spider predator that forages from low perches and on the ground.

The diet consists of insects and spiders. The bird darts from a perch to take prey, then returns to another perch. It usually takes prey from the ground or from low bushes.

Recorded prey: Insects and spiders

Foraging levels: Ground, low bushes and low perches

Foraging range: Not provided in the supplied documents

  • Retain low shrubs, ground vegetation and sheltered forest edges where birds can perch and search for prey.
  • Avoid assuming that open ground alone is suitable feeding habitat, because the species commonly feeds from low bushes and returns to perches.

Foraging habitat: Foraging habitat on project sites

Potential feeding habitat includes dense shrub layers in wet forest, rainforest, gullies, woodland and drier open habitats used after breeding. The supplied modelling work included moist forest, rainforest, woodland, dry forest, wattle scrub, regrowth and other vegetation systems as intermediate habitat.

  • Map low shrub cover and dense understorey as potential feeding habitat, including outside mapped breeding gullies.
  • Inspect retained vegetation adjoining clearing areas, because birds may move between perches, low bushes and ground foraging sites.

Breeding habitat: Breeding biology

Pink Robins breed in spring and summer in damp, densely vegetated forest and rainforest. The nest is built in a tree or shrub fork and is concealed with moss, lichen and other soft materials.

The female builds the nest and incubates the eggs. The male feeds her while she incubates and both parents feed the chicks. The species may nest twice in one season.

Breeding season: September to January, with breeding also reported through to March

Clutch size: 3 to 4 eggs

Incubation: The female incubates the eggs; duration is not provided

Nest attempts: The species may nest twice in one season

Age at maturity: Not provided in the supplied documents

Lifespan: Not provided in the supplied documents

Breeding habitat: Nest habitat

Nests are placed in a mossy or lichen-covered fork of a tree or shrub within dark, densely vegetated gullies, moist or wet eucalypt forest or cool temperate rainforest. The nest is a deep cup made from green moss and bark strips bound with spider webs, with lichen and soft plant material, feathers or fur used for decoration and lining.

  • Before clearing, inspect forks of trees and shrubs in damp gullies and dense forest understorey.
  • Retain mossy and lichen-covered shrubs and trees where practicable, especially where dense understorey is also present.
  • If a nest is found, stop work around the nest and obtain project-specific fauna management advice before proceeding.

Sheltering habitat: Cover and refuge

The supplied documents do not describe dens, hollows, burrows, roosts or measured refuge dimensions for Pink Robins. Cover is provided mainly by dense vegetation and forest understorey.

Pink Robins use dense shrub layers and densely vegetated gullies for concealment. After breeding, they move into drier and more open habitats but continue to inhabit dense shrubby undergrowth.

The nest provides a temporary shelter for eggs and young and is concealed in a fork of a tree or shrub.

Refuge types documented: Dense shrub layers, densely vegetated gullies and concealed nests in tree or shrub forks

Measured refuge size: Not provided in the supplied documents

  • Retain dense understorey and shrub layers around wet forest, rainforest and gully vegetation.
  • Avoid clearing isolated patches of dense shrubs within otherwise open or drier habitat, because these patches may provide cover outside the breeding season.
  • Do not rely on hollow-tree or burrow checks for this species unless other fauna are also being managed, because those refuge types are not documented for Pink Robins in the supplied material.

Threats: Habitat loss and degradation

The documented primary threat is loss or severe degradation of natural habitat. Project risks are highest where clearing removes dense breeding habitat, shrub cover or connected forest used during seasonal movement.

Habitat destruction from land clearing, urban development, agriculture, mining and infrastructure is identified as a threat. Clearing can remove moist gullies, rainforest, wet eucalypt forest, nest trees and dense understorey used for feeding and concealment.

The Southern CRA modelling work classified Pink Robin habitat as intermediate rather than core habitat across the modelled vegetation types. This should not be taken to mean that all vegetation is equally suitable, because the species' breeding description specifically emphasises dark gullies, damp forest, rainforest and dense vegetation.

  • Prioritise avoidance of dense, damp gullies and rainforest vegetation during site layout and access-track planning.
  • Retain shrub layers and understorey around retained forest patches, not just the largest trees.
  • Inspect retained vegetation adjoining clearing areas, because the species may use drier open habitat after breeding while still requiring dense cover.

Threats: Fragmentation and disturbance

The supplied documents do not provide species-specific evidence on road mortality, fire, introduced predators, disease or hydrology change. These pressures should therefore be assessed as project risks where they alter the damp forest, rainforest, gully or dense understorey conditions used by the species.

  • Keep access tracks, machinery and repeated disturbance away from dense breeding habitat where practicable.
  • Assess whether drainage, dewatering or sediment movement could dry or degrade damp gullies and rainforest vegetation.
  • Include fire planning and predator management in the site risk assessment where these activities or pressures affect retained dense forest and understorey.
  • Use seasonal surveys and pre-clearing nest checks rather than assuming that a site is unused when no bird is visible.

Survey methodology: 1. Habitat assessment and targeted searches

Survey for Pink Robin, Petroica rodinogaster, should target damp, densely vegetated gullies, rainforest, tall open eucalypt forest and dense shrub layers. The supplied documents do not provide a species-specific survey guideline with prescribed transect lengths, trap nights or call-playback effort, so survey design should be based on habitat assessment, seasonal detectability and the approval conditions for the project.

Map and inspect moist and wet forest, rainforest, densely vegetated gullies, dense shrub layers and adjacent woodland that could provide breeding or winter habitat.

During the breeding season, September to March, search suitable gullies and dense vegetation for birds, calls, nests and territorial activity.

During autumn and winter, inspect more open and drier habitats connected to breeding areas, because Pink Robins may move after breeding and are more obvious in winter.

Record habitat condition, vegetation type, canopy structure, dense understorey, gullies, drainage lines, rainforest elements and connectivity with retained vegetation.

Survey methodology: 2. Diurnal bird searches

Conduct repeated, quiet searches along suitable habitat edges, gullies, forest tracks and internal vegetation lines during periods of bird activity and suitable weather.

Use direct observation and listening because Pink Robins can remain out of sight in dense habitat and may be detected by their short, chattering trill or characteristic tik, tik, tik call.

Search low bushes and the ground beneath dense vegetation, where Pink Robins forage for insects and spiders from perches and on the ground.

Record the date, start and finish time, weather, observer effort, location, habitat, sex or age where possible, behaviour, photographs and the direction of movement.

Survey methodology: 3. Nest and breeding searches

During September to January, inspect suitable mossy or lichen-covered forks in trees and shrubs for the deep cup nest described for this species.

Avoid approaching or disturbing a suspected nest unnecessarily, and do not enter dense breeding habitat with machinery until the fauna spotter catcher has assessed the observation and the approved management response is in place.

Treat a bird repeatedly carrying nesting material, feeding young or defending a localised area as evidence requiring immediate environmental review.

Survey methodology: Minimum effort and reporting

  • Use a qualified ecologist to set the number, timing and duration of survey visits after reviewing the habitat, proposed disturbance footprint, season and approval requirements, because the supplied documents do not specify Pink Robin transect lengths, survey hours or trapping effort.
  • Do not rely on a single negative search to conclude that the species is absent from dense habitat or a gully.
  • Use non-invasive observation and listening as the default, and obtain any required animal ethics, wildlife research or handling authority before capture, banding or other intrusive work.
  • Record all sightings, calls, nests, habitat observations and survey effort with accurate coordinates and submit confirmed records to the relevant NSW wildlife database or other relevant state wildlife database.
  • Retain the survey data, photographs, maps, weather records and negative-search details in the project environmental records.

Before habitat disturbance: Avoid and minimise

The Pink Robin is listed as vulnerable in New South Wales and is associated with dense, wet or moist vegetation and connected forest habitats. Avoiding disturbance to breeding gullies and retaining movement links are the first controls for a clearing or construction project.

New South Wales status: Vulnerable

Breeding period: September to March

Main nesting period reported by Museum Victoria: September to January

Maximum body length: Up to 13 cm

  • Avoid clearing moist and wet forest, rainforest, tall open eucalypt forest, densely vegetated gullies and dense shrub layers wherever practicable.
  • Retain mature trees and shrubs, mossy or lichen-covered nesting sites, dense understorey, gullies, drainage lines and connected vegetation around the disturbance footprint.
  • Keep retained breeding habitat connected to drier and more open winter habitat, because the species may move between these habitat types after breeding.
  • Use a site-specific ecological buffer around any nest, breeding pair, concentrated activity area or retained gully, with the distance set by the approval, fauna management plan and advice from the project ecologist.

Before habitat disturbance: Approvals and work planning

  • Check the current state threatened-species listing and obtain any required NSW approvals or wildlife handling authorities before clearing.
  • The supplied documents identify the Pink Robin as not listed under the EPBC Act, but confirm the current national status and whether the project may affect another nationally listed species before deciding that an EPBC referral is unnecessary.
  • Schedule clearing outside September to January where practicable, and avoid clearing occupied breeding habitat during September to March unless the approved management plan allows it and the ecological risks have been assessed.
  • Stage works so that retained gullies, moist forest and movement links remain available while construction proceeds.
  • Prepare a fauna management plan that identifies habitat to retain, survey methods, spotter catcher responsibilities, stop-work triggers, nest management, injured-animal procedures, reporting and restoration requirements.

Before habitat disturbance: Site preparation

  • Complete a pre-clearance inspection of the entire disturbance area and an adjoining buffer that could be affected by noise, machinery, dust, vibration or indirect vegetation loss.
  • Mark retained gullies, rainforest patches, dense shrub layers, nest trees, exclusion areas and access routes before machinery arrives.
  • Install exclusion fencing where it can protect retained habitat without blocking required bird movement or creating a hazard.
  • Brief all operators on the Pink Robin identification features, including the male's bright pink belly, the female's brown plumage and buff wing patches, and the species' small size of up to 13 cm.
  • Check the work area again immediately before clearing if works have been delayed or habitat conditions have changed.

During habitat disturbance: Daily controls and machinery interface

Clearing should proceed under direct environmental control wherever suitable Pink Robin habitat is present. The fauna spotter catcher should work ahead of machinery and have authority to pause work when a bird, nest or unexpected habitat risk is identified.

  • Inspect exclusion fencing, habitat markers, access routes and retained vegetation before work starts each day.
  • Brief the supervisor, operators and fauna spotter catcher on the day's clearing sequence, no-go areas and communication signal for an immediate stop.
  • Keep the fauna spotter catcher ahead of the clearing face and provide enough time for the spotter to inspect vegetation, ground cover and retreat areas before machinery moves.
  • Clear in a staged direction towards retained habitat only where the ecologist confirms that this will not drive the bird into active machinery, roads or unsuitable habitat.
  • Stop work if visibility, rain, wind, smoke, dust or machinery noise prevents an effective inspection of dense vegetation or a suspected nest area.

During habitat disturbance: Habitat features and nests

  • Do not disturb a suspected Pink Robin nest, breeding pair or nest tree until the fauna spotter catcher and project ecologist have assessed it and applied the approved exclusion and work procedure.
  • Retain dense understorey, rainforest elements, shrubs, logs and other ground and low-vegetation features in retained habitat unless their removal is approved and ecologically assessed.
  • Treat a bird repeatedly returning to a mossy or lichen-covered fork in a tree or shrub as a possible breeding record and pause work in the immediate area.
  • Do not use nest boxes as a substitute for retaining occupied natural nesting habitat unless a suitably qualified ecologist has specified their use and location.

During habitat disturbance: If a Pink Robin is found

  • Stop nearby work if the bird is within the clearing footprint, injured, trapped, unusually tame or unable to move safely away from the work area.
  • Keep workers, vehicles and machinery away from the bird and allow the fauna spotter catcher to assess it without chasing or repeatedly flushing it.
  • Only an appropriately authorised person may capture or handle the bird, and handling should be limited to what is needed for immediate safety, assessment or approved relocation.
  • If the bird is healthy and mobile, allow it to move to nearby retained habitat; if relocation is required, use nearby suitable dense vegetation identified by the ecologist and record the release location.
  • Take an injured bird to an appropriately qualified veterinarian or authorised wildlife carer as soon as practicable, following the project's wildlife handling procedure.
  • Do not provide food or water, or keep the bird overnight, unless directed by a veterinarian or authorised wildlife carer.

During habitat disturbance: Stop-work records and escalation

  • Stop work and notify the site supervisor and project ecologist if a nest, dependent young, repeated breeding activity, injured bird, unexpected concentration of Pink Robins or clearing outside the approved footprint is detected.
  • Record the date, time, coordinates, habitat, observation, photographs, action taken, personnel involved, work stoppage and recommencement approval.
  • Report any threatened-species incident in accordance with the relevant NSW approval, permit and fauna management plan.
  • Review the clearing method if the species is detected repeatedly, because a pattern of detections may indicate that the retained habitat or proposed buffer is inadequate.

After habitat disturbance: Post-clearance checks

Post-clearance work should confirm that no birds, nests or retained habitat features were missed and that construction has not removed the habitat links identified before disturbance. Monitoring should be scaled to the level of habitat loss and the approval conditions.

  • Inspect the cleared area, retained gully margins, dense vegetation and access routes after each clearing stage for stranded, injured or displaced birds.
  • Repeat a targeted check during the next suitable daylight period if the clearing involved dense habitat, a known Pink Robin record or a suspected nest area.
  • Confirm that exclusion fencing, no-go markers and retained vegetation remain intact after machinery and construction traffic have moved through the site.
  • Update the habitat map to show the final cleared area, retained breeding and winter habitat, movement links and any changed drainage or vegetation condition.

After habitat disturbance: Monitoring and reporting

  • Monitor retained moist forest, rainforest, densely vegetated gullies and connected woodland during the breeding season, September to March, where the project has removed or fragmented nearby habitat.
  • Include autumn and winter observations where the project affects open or drier habitat used after breeding.
  • Use the same observation and listening approach at each monitoring visit so that changes in detections, habitat condition and movement can be compared over time.
  • Report all confirmed records, nest observations, injuries, mortalities, management actions and monitoring results to the relevant state wildlife database and the approval authority where required.

After habitat disturbance: Maintain controls and offsets

  • Maintain exclusion fencing, sediment and access controls, retained vegetation protection and weed controls for as long as construction could affect Pink Robin habitat.
  • Repair damage to retained gullies, shrubs, rainforest vegetation and movement links promptly and record the repair.
  • Where residual impacts remain, implement any approved offset, biodiversity-credit or habitat-protection measure required by the relevant approval.
  • Use monitoring results to trigger additional habitat protection or restoration if Pink Robins continue to use the site or if retained habitat becomes degraded.

Rehabilitation actions: Restore habitat structure

Rehabilitation should restore the dense, structurally varied vegetation used by Pink Robins for breeding, shelter and foraging, while maintaining links between wet breeding habitat and more open winter habitat. The supplied documents do not identify particular planting species, so use locally occurring native species from the relevant reference community.

  • Re-establish locally appropriate rainforest, moist forest, tall open eucalypt forest, dense shrub layers and woodland vegetation according to the pre-clearing community and site condition.
  • Use local provenance native trees, shrubs, vines, ferns and groundcover that rebuild dense understorey and provide low perches and ground-foraging cover.
  • Restore gully vegetation and drainage-line cover first where erosion, altered drainage or construction access has affected moist habitat.
  • Retain natural mossy, lichen-covered branches, fallen timber and dense ground cover where safe, and do not over-clear regrowth during maintenance.

Rehabilitation actions: Connectivity, weeds and predators

  • Reconnect retained gullies, rainforest patches, moist forest and woodland through continuous or stepping-stone native vegetation where the project has created a gap.
  • Control environmental weeds that reduce dense native shrub and groundcover layers, using methods that do not damage retained habitat.
  • Manage feral predators and domestic animal access where they threaten birds using the project's approved fauna and pest management procedures.
  • Apply a fire regime that protects moist gullies, rainforest elements and dense understorey, with burning excluded from areas where it would remove Pink Robin shelter or nesting structure.

Rehabilitation actions: Monitoring and success measures

  • Inspect rehabilitation after planting, after major rainfall and at the monitoring intervals set by the approval or rehabilitation plan.
  • Measure survival and cover of locally native trees, shrubs and groundcover, weed cover, erosion, connectivity and the condition of retained gullies and dense understorey.
  • Use repeated daylight searches and listening during September to March, with additional autumn and winter checks where the site provides seasonal movement habitat.
  • Treat confirmed Pink Robin use, including sightings, calls, foraging or breeding activity, as a useful species response, but also assess habitat structure because absence in a particular visit does not demonstrate that restored habitat is unsuitable.
  • Replace failed plants, repair erosion, maintain exclusion fencing and adjust weed, predator or fire controls when monitoring shows that habitat objectives are not being met.

Sources