VU

Uperoleia martini

Local name: Martin’s Toadlet

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Overview

Uperoleia martini is a small ground-dwelling frog belonging to the family Myobatrachidae, a group of Australian and New Guinean burrowing and terrestrial frogs. Like other members of its genus, it is a compact, warty-skinned toadlet, typically active at night and reliant on temporary or permanent water bodies for breeding. Males call from concealed positions near water to attract mates, and the species likely feeds on small invertebrates such as ants and termites, contributing to pest regulation within its ecosystem while itself serving as prey for birds, reptiles, and other predators.

The species is endemic to Australia, where it occupies subtropical and tropical dry forests, wetlands including permanent freshwater lakes, and associated cave and subterranean habitats that may provide shelter during dry periods.

Population trends are declining, and the species is classified as Vulnerable. Habitat alteration from road and railroad construction fragments populations and disrupts breeding movements, while logging and land clearing for annual and perennial crops reduce available forest and wetland habitat. Drought conditions, likely intensifying with climate variability, threaten the temporary water sources needed for breeding.

Invasive species, including introduced predators and pathogens such as chytrid fungus common to Australian amphibians, add further pressure.

Conservation responses include habitat protection within existing reserves, ongoing monitoring of amphibian populations across its Australian range, and broader national efforts to manage invasive species and disease spread. Research into the species' distribution and ecological requirements remains important for guiding targeted conservation action.

Given continuing habitat loss, drought pressures, and disease threats, the species' population trajectory remains negative, and its long-term outlook depends on sustained habitat protection and effective disease and invasive species management.

Martin's Toadlet faces ongoing habitat destruction from road and railway construction, logging, and clearing land for crops, all of which shrink and fragment the places it lives. It also struggles with invasive species that may prey on it or compete with it, along with droughts and shifting environmental conditions that dry out or alter its breeding habitat. Since all these threats are currently listed as ongoing, the overall pressure on this species appears to be stable to intensifying rather than decreasing.

Threat summary

Habitat

Forest· majorForest - Subtropical/tropical dry· majorWetlands (inland) - Permanent freshwater lakes· majorCaves and subterranean habitats· major

Conservation measures underway

Habitat & natural process restorationSpecies recovery

Frequently asked questions

Why is Martin’s Toadlet classified as Vulnerable?
Martin’s Toadlet is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. Martin's Toadlet faces ongoing habitat destruction from road and railway construction, logging, and clearing land for crops, all of which shrink and fragment the places it lives. It also struggles with invasive species that may prey on it or compete with it, along with droughts and shifting environmental conditions that dry out or alter its breeding habitat. Since all these threats are currently listed as ongoing, the overall pressure on this species appears to be stable to intensifying rather than decreasing.
Where does Martin’s Toadlet live?
Martin’s Toadlet occurs in Australia. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Martin’s Toadlet?
The main threats to Martin’s Toadlet are 11.1, 11.2, 2.1, and 4.1. The full IUCN-classified threat record for this species is detailed on the species page.

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