Litoria ewingii 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Amphibia Anura Hylidae

Scientific Name: Litoria ewingii (Duméril and Bibron, 1841)
Common Name(s):
English Brown Tree Frog, Ewing’s Tree Frog, Southern Brown, Whistling Tree Frog

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2004
Date Assessed: 2004-04-30
Needs updating
Assessor(s): Jean-Marc Hero, Ben Bell, Frank Lemckert, Peter Robertson, Peter Brown
Reviewer(s): Global Amphibian Assessment Coordinating Team (Simon Stuart, Janice Chanson and Neil Cox)
Listed as Least Concern in view of its wide distribution, tolerance of a broad range of habitats, presumed large population, and because it is unlikely to be declining fast enough to qualify for listing in a more threatened category.

Geographic Range [top]

Range Description:This Australian species occurs from the southeastern corner of South Australia, east along the south coast of Victoria and into far southeastern New South Wales. Isolated populations occur along the coast and ranges of central New South Wales. It is widely distributed in Tasmania. It has also been introduced to New Zealand where it is widespread across South Island and in the southwest North Island. It has recently been discovered in Northland near Dragaville and they are known from around Auckland. It has been recorded up to 1,200m asl.
Countries occurrence:
New Zealand
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:It is a widespread and common species in Australia. In New Zealand there are many thousands, but local declines possibly due to chytridiomycosis have been observed.
Current Population Trend:Stable
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:This species is found in various habitats from alpine to semi-arid shrubland, but most commonly in flooded grassland or marshes. It can also be found in suburban gardens. It is common in both temporary and permanent water. Breeding occurs at any time of year with peaks in spring and autumn. Males call from the ground or in low vegetation (up to 2m above the ground) at the water’s edge or in water on floating vegetation. About 500-700 eggs are laid in small clumps attached to submerged vegetation, in still water in ponds, dams, lakes, streamside ponds and flooded roadside ditches. Metamorphosis takes 6-7 months.
Systems:Terrestrial; Freshwater

Use and Trade [top]

Use and Trade: This species is mainly collected as a byproduct of another farming industry.

Threats [top]

Major Threat(s): Water pollution where the species occurs in urban areas, drainage of wetlands and the construction of dams are localized threats. Chytrid fungus or other/associated pathogens might be a threat to the species in its native range, and might already be affecting the species in its introduced range in New Zealand. Chytrid fungus was detected in this species in Woodville, South Australia. The Utilisation information refers to New Zealand populations.

Conservation Actions [top]

Conservation Actions: Its range includes several protected areas throughout its range. Monitoring of the population is necessary in order to detect any occurrence of chytridiomycosis.

Citation: Jean-Marc Hero, Ben Bell, Frank Lemckert, Peter Robertson, Peter Brown. 2004. Litoria ewingii. The IUCN Red List of Threatened Species 2004: e.T41090A10387445. . Downloaded on 21 August 2018.
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