Most predators are opportunistic hunters. If a species is open to eating multiple types of prey, it can improve its odds of ...

It doesn’t take long for behavior to change in the wild. Sometimes, it happens in seconds. An animal pauses mid-step. Another suddenly changes direction. A quiet environment shifts without warning.

The first four-legged vertebrates did not grow up like tadpoles after all. That idea has shaped the story of life on land for decades. Early tetrapods, the ancient animals that gave rise to mammals, ...

Hunting is considered critical to human evolution by many researchers who believe that several characteristics that distinguish humans from our closest living relatives, the apes, may have partly ...

Can a snake in Thailand influence the evolution of a snake in the Philippines even if the two species never cross paths?

Life on our planet began in the water. Eventually, one branch of the fish family tree developed legs and came up on land.

When people think of dangerous animals, they usually picture intimidating predators like sharks, lions, or snakes. These animals have razor-sharp claws or teeth capable of easily ripping flesh. But ...

New Zealand recognizes nonhuman animals as sentient beings but it's okay to kill them by the millions using horrifically painful methods Sentience, and the ethical demands that arise from this ...

Named the “king of the tyrant lizards,” T. rex was built to rule. Find out how these dinosaurs lived, what made them so ...

Of course, animals are not "things," and Ms. Macdonald's sweeping and uncritical pronouncement that "killing introduced predators is absolutely necessary" reminds me of the inane comment by Nicola ...