While the bright coloration of this red-eyed tree frog doesn’t make the amphibious creature see red, it does provide an eye-catching display for humans who glimpse it in its rainforest habitat. In ...

Leptopelis brevirostris, Bioko Island, Equatorial Guinea. Source: Christian Irian. See ‘Eye size and investment in frogs and toads correlate with adult habitat, activity pattern and breeding ecology’ ...