PETER CHADWICK / SCIENCE PHOTO LIBRARY PETER CHADWICK / SCIENCE PHOTO LIBRARY
Barking gecko (Ptenopus garrulus). This gecko grows up to eight centimetres in length. Males have a bright yellow display patch (centre left) on the throat and make advertisement calls at dusk to attract females. Photographed in the Kalahari desert, South Africa.
Model release not required. Property release not required.