Some snakes, such as pythons and boa constrictors, have small, vestigial legs beneath their skin and tiny, claw-like spurs on each side of the cloaca, which include the remnants of what used to be leg bones. Male snakes use these spurs during courtship and for fighting, but not for locomotion.
Fossil evidence suggests that snakes may have evolved from burrowing lizards. Hunting in tiny burrows and tunnels would have favored streamlined animals, with narrow pelvic bones and smaller legs. Eventually, legs would have been more of a hindrance than an advantage. There is dispute in the scientific community about whether snakes evolved from terrestrial lizards or marine reptiles, but the evidence clearly indicates that proto-snakes had legs.Learn More
Although it is rare, there have been documented cases of pythons eating humans. The victims are typically children or otherwise small in stature, as the broad shoulders of adults are too large for most pythons to swallow.Full Answer >
Copperhead snakes swim, although they usually spend the most time on land. Copperheads are found in wetlands and rocky, forested areas and sometimes take shelter in rotting wood. They sometimes climb into low bushes or trees and enjoy basking in the sun.Full Answer >
According to The Natural Source, a site funded by Northern State University and the South Dakota Department of Agriculture, bullsnakes have long, slender bodies with pointed tails, while rattlesnakes have thick bodies and blunt tails with rattles on the end. Rattlesnakes also have an easily recognizable head that is very wide and sits on top of a narrow neck.Full Answer >
Snakes are not omnivores, according to Macroevolution. They are carnivores and only eat other animals. There are no known instances of snakes that are vegetarian or that eat plants.Full Answer >