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Mount Elliot Nursery Frog (Cophixalus mcdonaldi)

The Mount Elliot Nursery Frog is a small terrestrial microhylid frog endemic to Queensland, Australia. It is Critically Endangered and has a highly restricted distribution, so clearing, construction, altered drainage and disease management require specialist ecological controls wherever suitable rainforest, wet sclerophyll forest, moist leaf litter or rocky habitat may be present.

Conservation status

Commonwealth, EPBC Act 1999: Critically endangered.

Queensland, Nature Conservation Act 1992: Critically endangered.

Breeding season

Mount Elliot Nursery Frogs are terrestrial direct developers. Species-specific breeding months are not recorded, so use the broader Australian Cophixalus pattern as a planning guide: calling and surface activity generally occur from September to February, with sheltering and breeding-site risk possible throughout the year.

Reproductive mode: Oviparous, with direct development to miniature froglets and no free-swimming tadpole stage.

Clutch size: 17 eggs, based on the single reported clutch.

Incubation: Not recorded.

Size at hatching or birth: Not recorded.

Age at maturity: Not recorded.

Nest or egg sites: Moist terrestrial sites, including leaf litter and vegetation near permanent water. Damp crevices beneath or between rocks are general sites reported for Australian microhylid frogs.

Breeding frequency: One clutch per year.

Confirm timing locally using recent records, rainfall and temperature conditions, because wet-season rain may trigger calling and surface activity and the available species data do not define a reliable annual calendar.

  • Calling: Calling months are not recorded for this species. Australian Cophixalus generally call through approximately September to February, during the first two-thirds of the wet season, with no documented peak month.
  • Egg laying: Egg-laying months are not recorded for this species. As a direct developer, it lays eggs in moist terrestrial sites such as leaf litter and vegetation, with damp rock crevices also recognised as general sites for Australian microhylid frogs; use September to February as a general wet-season planning window, not a confirmed species calendar.
  • Eggs in nest: There is no tadpole stage. Eggs and developing froglets remain in a terrestrial nest, but the duration and months of development are not recorded; retain moist leaf litter, vegetation, moss and sheltered crevices throughout the year.
  • Froglets: Froglet emergence months are not recorded. Direct development produces miniature froglets rather than aquatic tadpoles, so clearing can affect young in terrestrial nests at any time; no peak month is documented.
  • Active period: The species is nocturnal, but its active months are not recorded. The September to February wet-season surface activity pattern documented generally for Australian Cophixalus is the best available field-planning guide, while damp shelter may be used year-round.
  • Dry season aestivation: Aestivation is not recorded for this species. Related boulder-dwelling Cophixalus shelter deep in boulder piles during the dry season, so inspect and protect moist leaf litter, rock cracks and other terrestrial refuges year-round rather than assuming a defined inactive period.
  • Highest clearing risk: Apply a year-round precaution because breeding timing, egg-development duration and froglet emergence are unknown, and eggs and young may occur in terrestrial microhabitats. September to February may increase encounter and calling rates, but no species-specific peak clearing-risk months are documented.

Identification

This is a small, terrestrial microhylid frog associated with wet forest and moist ground features. The supplied documents provide limited external identification detail, so field identification should be confirmed by an experienced herpetologist or through an approved call or genetic identification process.

The species is described as a small terrestrial frog. It is associated with rainforest, wet sclerophyll forest and rainforest margins, moist leaf litter, moss-covered surfaces, rock crevices and areas near permanent water.

The documents do not provide a diagnostic colour pattern, body length, body mass, eye features or sex-specific characters. Do not assign a species identification from habitat alone.

Body size: Small; a numerical measurement is not provided

Body mass: Not reported in the supplied documents

Sex differences: Not reported

Identification: Calls and field signs

FrogID records confirm that the species has been recorded through calling-frog surveys, but the supplied documents do not describe its call, calling period or call structure.

No species-specific information is provided for tracks, scat, nests, sloughs or eyeshine. For clearing surveys, record calling frogs, refuges and microhabitat observations, and retain audio where possible.

  • Use an experienced amphibian ecologist to verify records that may affect clearing or construction decisions.
  • Treat a suspected record as sensitive and avoid publicly disclosing its exact location.

Identification: Similar species

The supplied documents do not provide a comparison with similar Cophixalus species or other Queensland microhylid frogs. Several other Cophixalus species are among Australia’s most imperilled frogs, and expert assessments identified uncertainty around poorly known Cophixalus species.

A suspected Mount Elliot Nursery Frog should not be separated from similar frogs using distribution or habitat alone. Use a validated call, photographic, expert or laboratory identification method.

Distribution: National range

The available information places the species in Queensland, but the supplied sources differ on the precise part of the state. The species is treated as highly restricted, with one source identifying it as known from a single locality and another reporting only three FrogID records.

The species is recorded from Australia and is listed as Critically Endangered in Queensland. The available material does not identify any records outside Queensland.

One source describes the species as occurring in the rainforests of northern Queensland. Another describes habitat in the McPherson Range of south-eastern Queensland. This discrepancy should be resolved against current Queensland biodiversity records before project planning or survey design.

States and territories: Queensland only in the supplied information

Bioregion: Not confirmed; the sources refer to northern Queensland and the McPherson Range of south-eastern Queensland

Known localities: One source describes the species as known from a single locality

FrogID records: Three records in FrogID Dataset 7.0

Distribution: Strongholds and subpopulations

No named strongholds, subpopulations or connected population estimates are provided. The species’ restricted range means that an apparently isolated record may be important for conservation and project assessment.

Exact locality information is sensitive. FrogID states that sensitive species records are spatially buffered in public datasets, with exact information supplied to relevant biodiversity authorities.

Population size: Not reported

Population trend: Reported as stable by SpeciesRadar

Subpopulation structure: Not reported

  • Request current sensitive-species information through the relevant Queensland biodiversity authority before finalising clearing boundaries or construction access routes.
  • Do not rely on an absence from a public occurrence map as evidence that the species is absent.

Habitat: Habitat types

The Mount Elliot Nursery Frog depends on damp terrestrial microhabitats within or beside wet forest. Its direct-developing life history, if confirmed for this species, increases the importance of undisturbed leaf litter, moist ground and shelter features rather than open aquatic breeding ponds.

Reported habitat includes subtropical or tropical moist lowland forest, wet sclerophyll forest, rainforest margins, permanent rivers and streams, and rocky terrain.

The species is described as requiring stable moisture and specific microhabitat structures. Habitat may therefore occur as small damp patches within a broader forested site.

Forest habitat: Subtropical or tropical moist lowland forest, wet sclerophyll forest and rainforest margins

Water-associated habitat: Permanent rivers and streams

Other habitat: Rocky terrain

Habitat: Site features

Important features include moist leaf litter, moss-covered surfaces, vegetation near permanent water, rock crevices and intact forest patches.

The documents do not provide an elevation range, minimum patch size, canopy height, tree diameter or quantified moisture threshold.

Elevation limit: Not reported

Climate requirement: Consistently damp, cool and moist conditions are indicated; numerical climate limits are not reported

  • Map and retain damp leaf-litter areas, moss, rock crevices and stream margins within proposed disturbance areas.
  • Prevent sediment, rubbish and polluted runoff from entering moist ground or permanent water features.
  • Keep machinery, stockpiles and access tracks out of suspected refuge habitat until an amphibian ecologist has assessed it.

Foraging habitat: Diet and feeding sites

The species is described as an insectivore that feeds in terrestrial forest microhabitats. The supplied documents do not identify particular prey, plants or a foraging-distance range.

The Mount Elliot Nursery Frog is an insectivore and contributes to the regulation of invertebrate populations in its forest ecosystem.

Likely feeding areas described for the species include moist leaf litter, moss-covered surfaces, rocky ground and damp vegetation near permanent water. The documents do not state which invertebrate groups are eaten or how far individuals move while foraging.

Diet: Invertebrates, described generally as an insectivorous diet

Foraging range: Not reported

Key food plants: None identified; the species feeds on invertebrates

  • Retain moist leaf litter, ground vegetation, moss and shaded rocky surfaces within habitat to be cleared or disturbed.
  • Avoid chemical contamination, litter and sediment entering the ground layer or nearby streams.

Breeding habitat: Breeding biology

The available description indicates terrestrial breeding with direct development, rather than a free-swimming tadpole stage. Several breeding details remain unknown and should not be assumed during impact assessment.

Like other members of its genus, the species is described as likely to lay eggs in moist terrestrial sites, with froglets hatching directly and no aquatic tadpole stage. This life-history description is presented as likely rather than confirmed in the supplied material.

Breeding habitat is expected to include consistently moist leaf litter, vegetation, moss, rock crevices and other sheltered terrestrial sites near suitable forest and permanent water. The documents do not identify a breeding season or nest structure.

Breeding season: Not reported

Clutch size: Not reported

Development: Likely direct development, with eggs hatching directly into froglets

Gestation or incubation: Not reported

Age at maturity: Not reported

Lifespan: Not reported

Aquatic tadpole stage: Likely absent, based on the supplied genus-level description

Breeding habitat: Breeding-site protection

Because eggs and developing young may be in terrestrial microhabitats, clearing risk is not limited to open water or stream channels. Removal of leaf litter, moss, rocks, ground vegetation or damp shelter may remove breeding sites.

The sources do not provide breeding-site dimensions or a species-specific buffer distance.

  • Have a qualified amphibian ecologist inspect damp terrestrial microhabitats before clearing.
  • Retain connected moist ground cover and prevent changes to drainage, runoff and sediment delivery around suspected habitat.
  • Do not infer that a site is unsuitable because no tadpoles are found in nearby water.

Sheltering habitat: Likely refuges

Shelter is provided by small, damp terrestrial features within intact forest. The species’ reliance on these features makes ground disturbance important even where no permanent pool is present.

Reported or described shelter features include moist leaf litter, vegetation, moss-covered surfaces, rock crevices and damp terrestrial sites near permanent water.

The documents do not report burrows, tree hollows, logs, refuge dimensions, minimum cover depth or daily sheltering behaviour.

Hollows and burrows: Not reported

Refuge size: Not reported

Ground cover: Moist leaf litter, moss, vegetation and rocks are relevant shelter features

  • Retain leaf litter, moss, rocks, ground vegetation and natural crevices in areas identified as potential habitat.
  • Inspect and manage rock piles, debris and other ground refuges before they are removed or relocated.
  • Keep cleared edges, vehicle movements and stored materials away from retained damp forest patches.

Threats: Clearing and development

The species is Critically Endangered and has a highly restricted distribution. The main project risks are removal or fragmentation of moist forest habitat, altered hydrology, pollution and disease introduction.

Reported threats include logging, residential and commercial development, agricultural expansion and land clearing. These activities can remove intact forest, leaf litter, rocky shelter and moist terrestrial breeding sites.

Fragmentation is a particular concern for a species reported from a single locality or a very restricted range. The supplied documents do not provide a minimum viable patch size or road-distance threshold.

  • Avoid clearing known or potential habitat where practicable, especially intact wet forest, rainforest margins, damp leaf litter and rocky ground.
  • Keep construction compounds, access tracks, spoil, waste and drainage works outside retained habitat.
  • Use sensitive occurrence information when designing buffers and work zones.

Threats: Disease and invasive species

Australian imperilled frogs are affected by Batrachochytrium dendrobatidis, and the supplied review identifies disease as a major threat across highly threatened Australian frogs. Invasive species and problematic interactions with other animals are also reported threats for the Mount Elliot Nursery Frog.

Construction equipment, footwear, water transfers and handling can spread pathogens between frog habitats if biosecurity is poor.

  • Apply project amphibian hygiene procedures to footwear, equipment, vehicles, handling tools and water transfer.
  • Do not move soil, water, frogs or wet organic material between catchments or work areas without an approved biosecurity assessment.
  • Report sick or dead frogs through the project’s fauna management and wildlife disease procedures.

Threats: Fire, hydrology and pollution

Climate change and severe weather are reported threats because they can disrupt the cool, moist conditions required by the species. Urban runoff, solid waste and other pollution can degrade soil and water quality.

The supplied documents do not identify a species-specific fire interval, road mortality rate or confirmed road crossing location. Hydrology change remains relevant because the species is associated with permanent streams and moisture-dependent terrestrial habitat.

  • Prevent sediment, contaminated runoff, litter and waste from entering streams or moist forest ground.
  • Avoid altering drainage, groundwater expression or stream flow near potential habitat.
  • Plan fire management so that retained moist forest, leaf litter and refuge features are not unnecessarily removed or exposed.

Survey methodology: 1. Habitat assessment and call surveys

No species-specific survey guideline or detection-effort schedule is provided in the supplied documents. Survey planning should therefore focus on the species’ restricted, moist rainforest and wet sclerophyll habitat, permanent water, rocky ground and leaf litter, and use repeated searches by suitably qualified amphibian ecologists.

Map wet sclerophyll forest, rainforest margins, moist leaf litter, dense ground vegetation, rocky terrain and permanent streams or rivers before selecting survey sites.

Use experienced amphibian observers and acoustic survey methods because FrogID records are based on expert-validated frog-call observations, and the species has only three records in the public FrogID dataset 7.0.

Plan surveys in suitable weather when frogs are likely to call, particularly warm, humid or wet conditions, and avoid relying on a single visit.

Public FrogID records reported: Three records of the Critically Endangered Mount Elliot Nursery Frog in FrogID dataset 7.0.

Sensitive-record treatment: Exact localities for sensitive species are buffered to 0.1 decimal degrees, about 11 km, in the public dataset.

  • Search retained habitat around permanent water, moist forest margins, rock crevices, moss and leaf litter, while minimising trampling and handling.
  • Record the date, start and finish time, weather, recent rainfall, water conditions, habitat type, observer names, equipment and all detections or non-detections.
  • Treat acoustic identifications as requiring expert verification because the species is rare and records are sensitive.

Survey methodology: 2. Nocturnal searches and targeted microhabitat checks

Undertake nocturnal searches of moist leaf litter, low vegetation, rock crevices, moss-covered surfaces and stream margins, because the species is described as a small terrestrial frog that depends on damp microhabitats.

Use repeated visits across suitable conditions rather than treating a quiet night as evidence of absence. The supplied documents do not specify the number of nights, hours, transect length, search area or trap nights for this species.

  • Walk fixed, mapped transects through representative retained habitat and inspect likely shelter sites with low-intensity lighting.
  • Search both the proposed disturbance area and adjoining retained habitat so that habitat continuity and potential relocation areas can be assessed.
  • Do not use pitfall, funnel or other trapping methods unless they are approved in the project fauna management plan and authorised by the relevant state agency.

Survey methodology: 3. Detection records and expert verification

Submit suspected records for expert confirmation and retain recordings, photographs and precise project mapping in the confidential project dataset.

Do not publish exact locations in public documents. The Australian Museum treats highly threatened frog locations as sensitive and provides exact locality information to state biodiversity atlases under controlled arrangements.

  • Record the taxon, confidence, call or visual evidence, coordinates, datum, habitat, weather, observer and survey effort for every detection.
  • Notify the project ecologist and relevant state wildlife authority immediately when a suspected Mount Elliot Nursery Frog is detected within or beside the work area.

Survey methodology: Minimum effort and reporting

  • Use a qualified amphibian ecologist to set the final survey design because the supplied documents provide no species-specific minimum effort, season, transect length or trapping requirement.
  • Survey all suitable moist forest, rainforest margin, stream and rocky habitat that could be disturbed, including adjoining retained habitat needed for connectivity.
  • Record survey effort and conditions even when no frog is detected, including the number of visits, observers, search hours, transect length and area covered.
  • Report confirmed records to the relevant Queensland wildlife and biodiversity database and follow its requirements for sensitive-location handling.
  • Assess whether the detection, habitat and proposed action require an EPBC Act referral and Queensland approval before disturbance proceeds.

Before habitat disturbance: Avoid and minimise habitat loss

The species is listed as Critically Endangered under the EPBC Act and in Queensland. Treat any suitable moist forest habitat as a high-risk area until surveys, approvals and avoidance measures are complete.

Avoid clearing wet sclerophyll forest, rainforest margins, moist leaf litter, dense ground cover, rocky areas and permanent streams or rivers wherever practicable.

Retain connected patches of moist habitat and maintain links between occupied or potentially occupied areas and nearby retained forest.

Keep construction activity, stockpiles, vehicle access, sediment controls and drainage works outside retained frog habitat and stream margins where practicable.

  • Mark no-go areas, retained vegetation, streams, rocky shelters and likely refuge habitat on construction plans and on the ground.
  • Prevent changes to drainage, runoff, sediment loads and water quality that could dry or pollute the damp terrestrial and stream-edge habitat used by the species.
  • Use staged clearing so that habitat is retained until surveys, fauna handling and relocation arrangements are complete.

Before habitat disturbance: Approvals and work planning

Confirm the EPBC Act requirements before clearing because the species is nationally listed as Critically Endangered.

Confirm Queensland threatened fauna permits, survey authorisations, handling permissions and reporting requirements with the relevant authority before work starts.

Prepare a fauna management plan that names the ecologist, fauna spotter catcher, authorised handlers, veterinary or wildlife-carer contacts, stop-work triggers, sensitive-record procedures and incident reporting steps.

  • Schedule works to avoid wet-weather disturbance, major runoff and unnecessary drying of retained habitat, unless the approved fauna plan sets a different timing requirement.
  • Give the project team a map and briefing showing exclusion zones, access routes, habitat features and the response required for a frog detection.
  • Use the species’ restricted range and very small known record base to set a conservative decision threshold, with work paused for any credible detection until the ecologist assesses it.

Before habitat disturbance: Pre-clearance preparation

Complete a pre-clearance inspection of all habitat that will be disturbed and the immediately adjoining retained habitat under conditions suitable for amphibian detection.

Mark moist leaf litter, rocks, logs, moss, dense vegetation, stream margins and other potential shelters for protection or staged inspection.

Install exclusion fencing only where it can prevent entry into retained habitat without blocking natural drainage or trapping frogs against the fence.

  • Check exclusion fencing, sediment controls and drainage controls before machinery arrives and after rainfall.
  • Brief operators to stop immediately when the spotter catcher signals, and prohibit unplanned access outside the approved clearing footprint.
  • Confirm a nearby, suitable and approved release area before any animal handling begins.

During habitat disturbance: Daily controls and machinery coordination

Clearance must be supervised as a controlled fauna operation. The spotter catcher should have authority to stop machinery, and all work must follow the approved fauna management plan and permit conditions.

Hold a daily pre-start briefing covering the frog’s habitat, exclusion zones, weather, machinery sequence, communication signals and emergency contacts.

Inspect the work area each day, especially after rain or when water has moved through the site, and keep machinery within the approved footprint.

Use staged, slow clearing that allows the fauna spotter catcher to inspect ground cover, rocks, logs, wet depressions and stream margins before machinery enters.

  • Keep a clear line of communication between the operator, spotter catcher and site supervisor at all times.
  • Stop machinery immediately when the spotter catcher identifies a frog, potential shelter feature, unexpected wet habitat, injured fauna or a breach of an exclusion zone.
  • Do not restart until the authorised fauna officer has inspected the area, completed any required handling or protection action, and released the work front.

During habitat disturbance: Habitat feature handling

Retain logs, rocks, leaf litter, moss and dense ground cover in protected areas wherever possible because the species depends on damp terrestrial shelter and rocky microhabitats.

Protect permanent streams and rivers from sediment, pollutants, altered drainage and uncontrolled vehicle access.

Do not move rocks, logs or other shelter features into the clearance path until they have been inspected by the fauna spotter catcher under the approved method.

  • Use hand removal or staged lifting for ground features where machinery could crush a concealed frog.
  • Keep removed habitat features damp and shaded only where the fauna plan directs temporary holding, and return them to an approved retained habitat area as soon as practicable.
  • Treat any newly identified seep, wet depression, stream margin or damp refuge as a potential stop-work area until assessed by the project ecologist.

During habitat disturbance: Response to a frog detection

Stop work around the detection and have the authorised handler confirm the identification where this can be done without unnecessary handling.

Limit handling to trained and authorised personnel using the hygiene and disease-control procedures required by the permit and fauna management plan.

Relocate the frog only when directed by the authorised ecologist and only to nearby retained habitat with suitable moisture, cover, rocky or leaf-litter shelter and access to appropriate habitat.

  • Do not retain the frog overnight, transport it off site or release it into an unapproved location unless the relevant authority has authorised that action.
  • Place an injured frog in a clean, secure, temperature-appropriate container and contact the nominated wildlife carer, veterinarian or wildlife hospital immediately.
  • Record the location, time, habitat, identification evidence, handler, condition, action taken, release location and any follow-up required.
  • Stop work and escalate to the project manager and relevant authority if the species is confirmed, if more than one individual is found, or if suitable habitat extends beyond the approved disturbance footprint.

After habitat disturbance: Post-clearance checks

Post-clearance work must check for missed animals, confirm that controls remain effective and document whether the project has affected retained habitat or connectivity.

Inspect the cleared edge, retained habitat, access tracks, drainage lines, sediment controls and any temporary holding areas after each clearing stage.

Repeat targeted searches of retained moist habitat when conditions are suitable for amphibian detection, particularly after rain or where a frog was detected during works.

Remove temporary materials, waste and sediment deposits that could obstruct drainage or degrade retained habitat, subject to the approved environmental controls.

  • Check that no frog has been trapped by exclusion fencing, trenches, pipes, pits, containers or other construction infrastructure.
  • Keep all retained habitat, stream margins and approved exclusion zones clearly marked until the risk of construction-related disturbance has ended.
  • Report any post-clearance detection, injury, mortality, habitat damage or water-quality incident under the fauna management plan and permit conditions.

After habitat disturbance: Monitoring and compliance reporting

Monitor retained habitat for changes in moisture, vegetation cover, stream condition, sediment, weeds, fire effects and evidence of frog presence.

Use the same mapped sites and recording fields across monitoring visits so that detections and habitat changes can be compared over time.

Submit confirmed occurrence records to the relevant Queensland biodiversity database and manage exact locations as sensitive information.

  • Keep records of survey effort, detections, relocations, injuries, deaths, stop-work events, exclusion-zone breaches, corrective actions and responsible staff.
  • Provide EPBC Act and Queensland compliance reports within the timeframes set by the approval, permit or condition.
  • Review monitoring results with the project ecologist and amend controls if retained habitat dries, becomes polluted, loses connectivity or shows evidence of declining condition.

After habitat disturbance: Offsets and residual impacts

First demonstrate avoidance and minimisation because the species has a restricted range, specialised moist habitat requirements and very few publicly reported records.

If residual impacts remain, obtain advice on EPBC Act offset requirements and Queensland conservation obligations before finalising the project response.

Ensure any offset or conservation action protects habitat that is ecologically suitable for the species, rather than relying only on a distant or unrelated habitat parcel.

  • Document the area, condition and connectivity of habitat lost, retained, restored or protected.
  • Link any offset or additional conservation measure to the confirmed impact pathway, including habitat clearing, fragmentation, altered drainage, pollution or disease risk.
  • Do not treat a successful relocation as a substitute for habitat protection or approval requirements.

Rehabilitation actions: Restore moist forest structure

Rehabilitation should rebuild cool, damp terrestrial habitat and protect the forest and water conditions on which the species depends. The supplied documents do not provide a species-specific planting list, nest-box design, rehabilitation density or monitoring duration.

Use locally appropriate native rainforest or wet sclerophyll species selected with Queensland ecologists and land managers for the site’s original vegetation community.

Re-establish shaded ground cover, leaf litter, mossy surfaces and dense vegetation around retained forest and permanent water.

Restore natural drainage and prevent concentrated runoff, sediment deposition, litter and other pollution from entering retained or rehabilitated habitat.

  • Use local provenance plants where available and protect plantings from browsing, trampling, machinery and drying during establishment.
  • Retain naturally fallen timber and suitable rocks in safe locations to provide damp shelter and ground complexity.
  • Do not introduce non-local animals, aquatic species, soil or plant material that could increase invasive-species or disease risk.

Rehabilitation actions: Manage threats at the rehabilitation site

Control weeds and prevent vegetation management from removing the moist leaf litter, low cover, logs, rocks and stream-edge shelter needed by the species.

Include hygiene and biosecurity controls for footwear, vehicles, tools, soil and water moved between frog habitats to reduce disease transmission risk.

Manage fire in accordance with the approved ecological fire plan so that fire does not remove damp ground cover or degrade retained rainforest and wet sclerophyll habitat.

  • Inspect rehabilitation areas after heavy rain, dry periods, fire and construction activity for erosion, sediment, drying, weed invasion and loss of shelter.
  • Control introduced predators or other invasive animals only under approved programs and with advice from the relevant wildlife authority.
  • Keep rehabilitated habitat connected to retained forest and avoid fencing or drainage structures that prevent frog movement.

Rehabilitation actions: Monitoring and success measures

Set site-specific success measures with the project ecologist and approval authority because the documents do not specify numerical rehabilitation targets for this species.

Monitor plant survival, canopy and ground cover development, leaf-litter depth, shelter features, moisture, stream condition, weeds, fire effects and disease-risk controls.

Use repeat acoustic and nocturnal searches in suitable weather, with the effort and conditions recorded so that any future detections can be interpreted.

  • Compare rehabilitation results with nearby retained reference habitat rather than relying only on planting completion.
  • Treat persistent drying, loss of ground cover, sedimentation, weed spread, invasive-animal activity or confirmed disease as triggers for corrective action.
  • Continue monitoring and maintenance for the period required by the approval, and report confirmed frog records through the relevant Queensland biodiversity system with sensitive locations protected.

Sources