About Metaphrynella sundana (Peters, 1867)
Common Name and Classification
Metaphrynella sundana, also known as the Bornean tree hole frog, is a species of small frog.
Size
Adult individuals reach a maximum snout–vent length of approximately 25 mm (0.98 in).
Body and Limb Shape
Their bodies are stocky, and their limbs are moderately short.
Skin Texture
The skin is covered in rounded tubercles, which are larger on the sides of the body.
Colour and Skin Variation
There is considerable variation in both the species' colouration and skin texture.
Male Morphology
Males of this species have a median subgular vocal sac.
Male Calling Behavior
At night, males call from tree holes that sit roughly 1 to 5 meters (3 feet 3 inches to 16 feet 5 inches) above the ground, and they can adjust their call to match the resonance frequency of the specific tree hole they occupy.
Habitat Elevation Range
The natural habitats of Metaphrynella sundana are lowland primary rainforests, occurring up to around 700 m (2,300 ft) above sea level.
Habitat Prevalence
The species is common in both primary and secondary rainforests.
Reproduction Location
Reproduction for this species occurs in water-filled tree holes.
Threats
Metaphrynella sundana is currently threatened by habitat loss caused by clear-cutting.
