Wildlife of Danum · The gliding frog

Wallace's flying frog

Rhacophorus nigropalmatus

A big green tree frog with enormous webbed hands that parachutes between trees — the night walk's showpiece amphibian, named for the naturalist who first described it.

The amphibian

Field notes

Alfred Russel Wallace watched one glide in Borneo in the 1850s and the frog has carried his name since. Spread those oversized webbed hands and feet and a downward jump becomes a slow, angled parachute to the next trunk — not flight exactly, but a convincing impression of it.

You want a warm, wet night after rain, when they gather at breeding pools and the males call. Guides on the night walk know which streams deliver. Bright green, splay-footed, sitting fat on a leaf at eye level — a firm favourite with photographers and children both.

Where & when in Danum

Vegetation around forest pools and slow streams on the night walks; the wetter trails near both lodges after rain.

Best odds

Best on warm, damp nights, especially after rain when breeding activity peaks. Placeholder — confirm wettest months with the client.

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