> Subphylum Vertebrata > Class Amphibia
seen? This 'machine-gun' frog is more often heard than
seen. It is common in the back mangroves as well as scrubby areas,
disturbed forests and even parks. It is also found on some of our
offshore islands. More active at night and after rain. It was formerly
known as Rana crancrivora.
Features: It has a loud
rattling call that reminds of the 'rat-a-tat-tat-tat' of a machine
gun. Total length to 8cm. A stout frog with long muscular back legs
which have webbed toes. It has ridges on its back. It is greyish brown
with irregular blackish blotches and a slanting yellowish stripe on
the sides. Adult males have a white throat with dark grey patches
at the corners of the jaw.
Pasir Ris Park,
does it eat? It can tolerate brackish water and is a carnivore.
As its common name suggests, it does eat crabs!
Baby frogs: Tadpoles are large
(3cm) and often seen in shallow pools in the back mangroves as well
- Baker, Nick
and Kelvin Lim. 2008. Wild
Animals of Singapore: A Photographic Guide to Mammals, Reptiles,
Amphibians and Freshwater Fishes
Vertebrate Study Group, Nature Society (Singapore). 180 pp..