Pseudophryne bibronii 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Amphibia Anura Myobatrachidae

Scientific Name: Pseudophryne bibronii Günther, 1859
Common Name(s):
English Bibron’s Toadlet, Brown Toadlet
Taxonomic Source(s): Frost, D.R. 2014. Amphibian Species of the World: an Online Reference. Version 6 (27 January 2014). New York, USA. Available at: (Accessed: 27 January 2014).

Assessment Information [top]

Red List Category & Criteria: Near Threatened ver 3.1
Year Published: 2004
Date Assessed: 2004-04-30
Needs updating
Assessor(s): Jean-Marc Hero, Graeme Gillespie, Frank Lemckert, Murray Littlejohn, Peter Robertson
Reviewer(s): Global Amphibian Assessment Coordinating Team (Simon Stuart, Janice Chanson and Neil Cox)
Listed as Near Threatened because this species is probably in significant decline (but probably at a rate of less than 30% over ten years) because of widespread habitat loss through much of its range, and also due to unexplained causes, thus making the species close to qualifying for Vulnerable.
Previously published Red List assessments:

Geographic Range [top]

Range Description:This Australian endemic is found from the south-east corner of Queensland, along the east coast of New South Wales, and into central Victoria and South Australia (including Kangaroo Island), from 20-1,000m asl.
Countries occurrence:
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:It was considered to be the most common and widespread member of its genus, but populations have appeared to decline in some areas in recent years.
Current Population Trend:Decreasing
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:This species is found in dry forest, woodland, shrubland and grassland, and shelters under leaf-litter and other debris in moist soaks and depressions. Calling is from February to August and frogs have been noted calling in temperatures of only 4°C. Between 70 and 200 large eggs are deposited terrestrially on damp leaf mould, in shallow nests or under stones and logs near water, and these hatch after rain floods the area and provides pools for larvae. Metamorphosis takes three to seven months.
Systems:Terrestrial; Freshwater

Threats [top]

Major Threat(s): The major threat to this species is habitat loss due to transport infrastructure development and agriculture (including cultivation of crops and livestock rearing). Increasing water salinity is also a problem. However, the specific reasons for the many declines are not known.

Conservation Actions [top]

Conservation Actions: There are no conservation measures in place for this species, apart from its habitat being protected when it occurs in national parks and state forests. The causes of the recent declines need to be identified.

Citation: Jean-Marc Hero, Graeme Gillespie, Frank Lemckert, Murray Littlejohn, Peter Robertson. 2004. Pseudophryne bibronii. The IUCN Red List of Threatened Species 2004: e.T18581A8482316. . Downloaded on 22 September 2018.
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