[2] The blunthead tree snake averages about 800 mm (31 in) in total length (including tail).

Most snakes found around the world are known to have very poor vision and rely mostly on smell and vibrations to detect signs of prey and predators.

The ventral surface, or stomach, of the blunthead tree snake is mostly white, while the dorsal surface, or top, is a light or pale brown with lateral dark brown patches that begin at the head and continue down the length of the body.

Specifically, it has been recorded in eastern Mexico, Guatemala, Honduras, Belize, El Salvador, Nicaragua, Costa Rica, Panama, Colombia, Venezuela, Trinidad and Tobago, French Guiana, Brazil, Ecuador, Peru, Bolivia, Paraguay, and northern Argentina.

[2] Because the blunthead tree snake is nocturnal, it can be found in a resting coiled position in very shaded areas during the day.

At night it forages for food through dense vegetation on the ground up to its resting places in the trees.

Both male and female blunthead tree snake reach sexual maturity about two years after hatching or at around 620 mm (24 in) SVL (snout-to-vent length).

It preys mostly on small lizards (primarily anoles, such as Anolis capito, A. fuscoauratus, A. latifrons, A. limifrons, A. maculiventris, A. mariarum, A. ortonii, A. punctatus, A. trachyderma, and A. tropidogaster, but also others in the genera Basiliscus, Enyalioides, and Gonatodes),[7][8] frogs (such as Craugastor crassidigitus and C. raniformis),[7] and reptile and amphibian (such as Agalychnis callidryas)[7] eggs.