"Like other barbets, they chisel out a hole inside a tree to build their nest. They are mainly fruit-eating but will take sometimes insects, especially winged termites. The call is a loud rather metallic tuk…tuk…tuk (or tunk), reminiscent of a copper sheet being beaten, giving the bird its name. Repeated monotonously for long periods, starting with a subdued tuk and building up to an even volume and tempo, the latter varying from 108 to 121 per minute and can continue with as many as 204 notes. They are silent and do not call in winter."
- Source Wikipedia
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