Wallace's Flying Frog

Rhacophorus nigropalmatus

Wallace's flying frog or the Abah River flying frog is a moss frog found at least from the Malay Peninsula into western Indonesia. It is named for the biologist, Alfred R. Wallace, who collected the first specimen to be formally identified.

''R. dennysii'', ''R. maximus'' and ''Polypedates feae'' were once contained within Wallace's flying frog as subspecies. Similar frogs also occur in Laos, Vietnam, and southern China; these may be ''R. nigropalmatus'' or an undescribed, closely related species.
Wallace's Flying Frog - Rhacophorus nigropalmatus A large sized tree frog with striking bright colours of green, yellow and white. Its name is misleading as they don't fly but glide. Being a tree frog, they do climb high up among trees. And to get down quickly or to get away from their predators, they glide by spreading the webbings on their legs. Frog,Malaysia,Rhacophorus nigropalmatus,Sarawak,Wallace's Flying Frog

Appearance

This frog is quite photogenic, due to its large size, brilliant colors, and interesting behavior. With a body length of 80-100 mm , it is one of the largest species of ''Rhacophorus''. Its eyes and eardrums are large with horizontal pupils. Its limbs are very long, and its fingers and toes are webbed right to the tips. Together with a fringe of skin stretching between the limbs, this flying frog can parachute to the forest floor from high in the trees where it is normally found.

Its back is bright shiny green and the underside is white to pale yellow. The upper sides of the inside toes, as well as the outer parts of the toe and finger webbing, are brilliant yellow. The base of the webs and one flank spot per side are jet black. Overall, this frog looks much like the green flying frog and ''R. kio'', which even if full grown do not reach the size of Wallace's flying frog, though, and have more orange web fringes.

They live almost exclusively in the trees, descending only to mate and lay eggs, and leaps and "flies" from tree to tree or to bushes. When threatened or in search of prey, they will leap from a branch and splay their four webbed feet. The membranes between their toes and loose skin flaps on their sides catch the air as they fall, helping them to glide, sometimes 50 feet or more, to a neighboring tree branch or even all the way to the ground. They also have oversized toe pads to help them land softly and stick to tree trunks. They survive mainly on insects. The species is known to fall prey to tree climbing snakes.

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Status: Least concern
EX EW CR EN VU NT LC
Taxonomy
KingdomAnimalia
DivisionChordata
ClassAmphibia
OrderAnura
FamilyRhacophoridae
GenusRhacophorus
SpeciesR. nigropalmatus
Photographed in
Malaysia