The rainbow eucalyptus is a tree with a trunk that's a natural rainbow of colours ...

Gray tree frogs can change their color depending upon the substrate where they are residing. If they are on a tree trunk, they are often gray in color, and if they are on green leaves, they will ...

Male and females of the new species vary in color, “a rare feature within ... Crown Island four-clawed geckos were found at night on tree trunks in a low-elevation forest, the study said.