Amphibians
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Smilisca phaeota
Sticky frog (Kalophrynus sp.), female, Crocker Range, Borneo, Malaysia, September.
Malayan horned frog (Megophrys nasuta) , juvenile, Crocker Range, Borneo, Malaysia, September.
The hole-in-the-head frog (Huia cavitympanum), endemic to Borneo, can make and hear ultrasonic vocalisations, which allows it to breed in extremely loud streams. Mt Kinabalu, Borneo.
Shortly after midnight, a fire salamander (Salamandra salamandra) has crawled out from its hiding place under a rotten log in the Regnaval forest to feed on worms and find a mate.
Smilisca phaeota
Sticky frog (Kalophrynus sp.), female, Crocker Range, Borneo, Malaysia, September.
Kinabalu sticky frog (Kalophrynus baluensis), female, Crocker Range, Borneo, Malaysia.
Biologist Merlijn Jocque searches for frogs at night during the 2012 Kinabalu–Crocker Range scientific expedition
JvA-20110603-0413
Common frog (Rana temporaria) males float amid a mass of millions of eggs, croaking loudly to attract females. Oostvaardersplassen, the Netherlands.
Sticky frog (Kalophrynus sp.), female, Crocker Range, Borneo, Malaysia, September.
Biologist Merlijn Jocque searches for frogs at night during the 2012 Kinabalu–Crocker Range scientific expedition
Salamandra salamandra
A female smooth newt sinks back to the bottom of a pond after coming up for air. The Netherlands.
The mossy tree frog (Racophorus everetti) is perfectly adapted to the cold and wet conditions of the mountain. Its skin accurately resembles a patch of moss both in color and texture.
Sticky frog (Kalophrynus sp.), female, Crocker Range, Borneo, Malaysia, September.
The hole-in-the-head frog (Huia cavitympanum) is the only amphibian in the world known to make purely ultrasonic calls. This adaptation is thought to help it communicate against the loud background noise of the rapids it breeds in.
Triturus cristatus
Frogs of different species float in a jar of alcohol for preservation. In the humid tropics, animal specimens must be processed quickly to prevent decay.
Sticky frog (Kalophrynus sp.), female, Crocker Range, Borneo, Malaysia, September.
The hole-in-the-head frog (Huia cavitympanum), endemic to Borneo, can make and hear ultrasonic vocalisations, which allows it to breed in extremely loud streams. Mt Kinabalu, Borneo.
Triturus cristatus
