White-lipped tree frog

Amazing fact

The mating call of the white-lipped tree frog sounds like a large dog barking.

Queensland Government

White-lipped tree frog in its habitat (illustration)

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An illustration based on the real animal.

A little discovery to share.

The mating call of the white-lipped tree frog sounds like a large dog barking.

SourceQueensland Government — White-lipped tree frog

THE REAL WORLD

The real White-lipped tree frog

Scientific name: Nyctimystes infrafrenatus
Japanese name: クツワアメガエル
Group: Amphibians and reptiles

Class: Amphibia
Order: Anura
Family: Hylidae
Genus: Nyctimystes

Facts about the real animal.

It is also listed under the scientific name Litoria infrafrenata.

It lives on New Guinea, in the Bismarck Archipelago and in northern Australia.

鳥羽水族館 — クツワアメガエル

Its body is bright green, but it can also turn brownish.

鳥羽水族館 — クツワアメガエル

The white rim on its lower lip looks like a horse's bit (kutsuwa), which is how it got its name.

鳥羽水族館 — クツワアメガエル

How the White-lipped tree frog lives

These frogs are active at night. They mainly eat insects and other animals with jointed legs. After rain in spring and summer, males call from plants around the breeding site. They lay brown eggs in clear jelly clumps on the surface of pools.

Zoo Frankfurt Queensland Government

Basic data

Range: New Guinea, the Bismarck Archipelago, and northern Australia

鳥羽水族館

Where the White-lipped tree frog has been recorded

Records: GBIF.org (CC0 and CC BY 4.0 records, retrieved 2026-11-07). Map: Natural EarthSee the records on GBIF

Where it livesAustralia Forests

Watch wild animals from a distance. Do not touch or feed them, and take care of the places where they live.

Names around the world

日本語: クツワアメガエル

Names come from Wikidata and iNaturalist records. Where a language has no recorded name, we use the scientific name.

Sources and how we check

鳥羽水族館 — クツワアメガエルChecked: 2026-11-04
Queensland Government — White-lipped tree frogChecked: 2026-11-07
Zoo Frankfurt — White-lipped tree frogChecked: 2026-11-07

We check each fact against its source. The illustrations simplify how the real animal looks.

The classification (class, order, family, genus) follows Wikidata records, checked against GBIF. Classifications can change as research goes on.

The basic data are the values given in each source. They vary with how the animal is measured, whether it is male or female, and whether it lives in the wild or in captivity.

This page was translated from the original Japanese with the help of AI.

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