The Knysna banana frog (Afrixalus knysnae) is a species of frog in the Hyperoliidae family. It is endemic to South Africa.
A small (25 mm) Afrixalus from southern South Africa. Voice a buzzing. Dorsum an overall golden with irregular longitudinal brown stripes and spots. Sides of head and body brown. Dorsum of breeding males covered with conspicuous dark asperities, females smooth. Ventrum cream-coloured or pale yellow. The vocal sac is yellow.
Voice. – Groups of calling males congregate among reeds and on water-lily leaves some distance from the banks in water which is about 30 cm deep. Voice a long trill or buzz, a soft, insect-like protracted “greeek” produced continuously for 15 to 20 seconds. It can only be heard a few feet away.
This account was taken from "Treefrogs of Africa" by Arne Schiøtz with kind permission from Edition Chimaira publishers, Frankfurt am Main.