A new study suggests that a tree-dwelling salamander may be able to control its grip on trees' bark by pumping blood in and out of the tips of its toes. This rather crafty strategy could one day be ...

Why it's awesome: The wandering salamander isn't an average amphibian. Instead of skulking under logs or swimming in swamps, it lives an arboreal lifestyle. Native to the redwood forests, these ...

All bird feet are not the same. One size does not fit all. Different birds have different jobs in this world, and their feet, one of the main tools for the work they do, have evolved to fit the task.