The chameleon's exceptional tree-climbing ability is dependent on vital ball-and-socket joints in its wrists and ankles, according to research published in the open access journal BMC Evolutionary ...

Like us, chameleons have five digits on each of their hands and feet, but they’re bundled up with connective tissue, making the lizards look two-toed – or like they’re trying to do a Vulcan salute.

The chameleon's exceptional tree-climbing ability is dependent on vital ball-and-socket joints in its wrists and ankles, according to new research. The study also finds that chameleons have twice the ...