The Fish and Wildlife Service’s assessment of Indonesia’s remarkable blue tree monitor lizard has roiled exotic wildlife traders while the agency keeps shifting gears. The service started slowly and ...

A handful of endangered lizards with bodies nearly entirely comprised of their tails were born at a zoo in the U.K. recently. Four blue tree monitor lizards were born while Bristol Zoo was closed due ...

Not all lizards are brightly colored! Black tree monitors blend in with shadows cast by dense leaves and branches in the tropical forests where they live. Get to know these intelligent, elusive ...