Screaming Tree Frog

Fascinating facts about the Screaming Tree Frog

• Even though it lives just east of the Great Dividing Range, the screaming tree frog’s range stretches from Mallacoota in northeastern Victoria up to Taree on New South Wales’ mid-coast, making it the southernmost of its close relatives. This narrow coastal belt shows how a single species can thrive across two Australian states.
• Scientists finally gave the screaming tree frog its own name in 2021, after decades of being hidden within the robust bleating tree frog’s paperwork. The late discovery reminds us that even common animals can slip through the taxonomic net until new tools, like citizen-science recordings, shine a light on them.
• Among the three frogs once lumped together, the screaming tree frog boasts the longest call, a vocal signature that helped researchers pull it apart from its cousins. Its booming croak proves that sound can be a powerful clue for untangling hidden species.
• Male screaming tree frogs turn bright yellow during the breeding season, and their vocal sac stays yellow all year long, a striking contrast to the rest of their skin. This color flash acts like a neon billboard, advertising readiness to mate in the dense foliage.
• Unlike its relatives, the screaming tree frog lacks the white line that runs along the side of other bleating tree frogs. That subtle missing stripe gives field biologists a quick visual cue, showing how a tiny pattern can separate species that otherwise look alike.

About the Screaming Tree Frog

The screaming tree frog (Colleeneremia quiritatus) inhabits the humid forests east of the Great Dividing Range, from Mallacoota in northeastern Victoria to Taree on the mid-coast of New South Wales. Males have a permanently yellow vocal sac, while the rest of the frog is only yellow during the breeding season. It lacks the white lateral line found in its close relatives and has the longest call of the three bleating tree frog species.

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