Animals

In addition to humans, they are threatened by sharks, crocodiles, and alligators, but this is rare b ...

While lizards have only one organ responsible for respiration-the lungs, salamanders rely on skin, gills or lungs (or, in some species, the combination of skin and lungs altogether).

Local populations of some birds and mammals have been destroyed. The expansion of the American mink is probably responsible for the population decline, including coot and muskrat.

A 2012 study shows that spotted hyenas can solve puzzles. To achieve a goal, they experiment in many ...

They tend to get killed by fishermen to reduce the competition for catfish. They also face habitat l ...

Corn snakes are brighter and more slender. Adult corn snakes typically have large red-blotchy patter ...