One of several Amazon Tree Boas we found in the Peruvian Amazon a few years ago.

An Amazon Tree Boa, spotted by flashlight on a boat in Peru. Unlike most snakes, their eyes shine orange-red in the light, and can be seen even high in trees. Birds and amphibians’ eyes also glow a similar color, though, so there are a lot of false calls of “snake!”.

An Amazon Tree Boa we found by boat in Peru. These snakes are commonly found in branches overhanging tributaries of the Amazon river, where they can be seen by distinctive eyeshine at night.

One of several Amazon Tree Boas we found on a night time boat ride in Peru.
