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Philoria frosti

Baw Baw Frog

Conservation Status

EPBC:

Critically Endangered

IUCN:

Critically Endangered

Calling Period

Possible
Yes
Peak
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Description

A medium-sized species of frog reaching up to 5.5 cm in body length. It has a dark grey, dark brown, or pink-brown back. There is often a large yellow patch covering the head and upper half of the back. The belly is cream-coloured or pale yellow, with brown specks. The pupil is horizontal, and the iris is dark brown. Fingers and toes are unwebbed, both without discs. The female has large flanges on the first and second finger, which help to whip up protective foam around the eggs as they are laid.

Breeding Biology

Eggs are laid as a small foamy mass in soaks and wet drainage lines under rocks, logs, and moss. Tadpoles can reach a total length of up to 2.5 cm and are mostly transparent white, only developing dark brown colour in later growth stages. They often remain inside the broken-down egg mass feeding on their own gut yolk reserves, and take around one to two months to develop into frogs. Breeds during late spring to summer.

Similar Species

Does not look similar to any other species in its distribution.

Images

Photo: Hal Cogger

Calls

By: Deon Gilbert

Distribution

Found only on the Mt Baw Baw plateau east of Melbourne, in VIC. It has declined severely due to the amphibian chytrid fungus, experiencing a 98% population loss since 1985. There is a captive breeding program currently in place to help prevent its extinction.

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