Voice: A single "chock" or double "chock-chock" repeated every 8-60 seconds.

Habitat: Mainly lowland moist and wet forest and into premontane wet forest and rainforest.

Biology: Nocturnal; active during wet season; breeding peaks in June and occassionally October; egg clutches laid either upper or lower surface of leaves overhanging water.

Source: Savage, Jay M. 2002. The Amphibians and Reptiles of Costa Rica. The University of Chicago Press, Chicago. 935pp.