wildlife ecology

A wolverine could injure a small or weakened polar bear, but it almost certainly could not kill a healthy adult polar bear. Wolverines are fierce, strong for their size, and cap...

American alligators (Alligator mississippiensis) are concentrated in freshwater wetlands of the southeastern United States. The core range includes coastal states from Texas eas...

The walrus sighted around Orkney is a long-lived male Arctic marine mammal that has wandered into subarctic waters beyond its usual range. Identified by its distinctive tusks, t...

Mountain lions (Puma concolor), also called pumas or cougars, are large carnivorous mammals native to the western United States, including the hills and canyons surrounding Los...

In Florida, iguanas sometimes fall from trees during cold snaps when temperatures drop into the 30s°F (0–4°C) for several hours. These reptiles are ectothermic, so cooling s...

Across California, eagles build nests in environments shaped by species, elevation, and human activity. The primary species involved are the Bald Eagle and the Golden Eagle, eac...

Sea lions face natural predation primarily from large sharks, such as great whites and broadnose sevengill sharks, and from coastal and estuarine predators when young. On land,...