Which feature is common to poisonous snakes in Tennessee?

Poisonous snakes in Tennessee commonly exhibit elliptical pupils, which is a key feature that distinguishes them from non-venomous snakes, which typically have round pupils. The elliptical shape of the pupils allows for better control over the amount of light entering the eye, which can be crucial for hunting and ambush strategies employed by these snakes in their natural habitat.

This feature is particularly notable in species like the Eastern Diamondback Rattlesnake and the Copperhead, both of which are venomous and thrive in Tennessee. While other snakes in Tennessee may have different characteristics, recognizing the elliptical pupils can be critical for identification purposes—especially in a state where multiple snake species coexist. Understanding this trait helps improve awareness of safety around potentially dangerous snakes while enjoying outdoor spaces.