This Huia cavitympanum got its general name from the markings on top of its head as though it has a hole.
Fairly large sized, this Frog is endemic to the island of Borneo.
This Species is the only known species of Amphibians capable of emitting purely ultrasonic calls that are "structurally independent" rather than being harmonic elements of audible sounds (Arch et al. 2008). The only other vertebrate capable of emitting structurally independent ultrasonic sounds is the Blue-Throated Hummingbird, (Lapornis clemenciae; Pytte et al. 2004).
The Hole-in-the-head frog is a species of frog in the family Ranidae.
It is found on the island of Borneo. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, and torrential rivers. It is threatened by habitat loss.