Road salt becomes much more deadly to freshwater snails when predator stress is present, raising mortality rates.

You might believe lions, wolves, or grizzly bears sit comfortably atop the food chain. Yet a growing body of research tells a startling story. Wildlife around the world views humans as the ultimate ...

In the African savanna, lions are at the top of the food chain. Hunting in groups with their sharp claws and excellent vision, lions are considered the top land predator. Both herbivores and ...