Migrations

These beloved sea cows were barely recorded in the area before the seas warmed in the late 1700s. Now their habitats are at risk.

Meet Florida’s unofficial mascot: the manatee.

A map shows the spread of felines by Egyptians, Romans, Vikings—and prehistoric ancestors.

But no one's ever seen them there.

Impending threats may reverse everything.

For these researchers in Southern Africa, tagging the apex predators starts with putting them in trancelike tonic immobility.

Utrecht’s Fish Doorbell has helped thousands of fish swim upstream to reproduce.

Scientists don bike helmets and dodge bird poop to care for a colony of endangered common terns.

Thousands of miles from its native range, the raptor illustrates how attitudes toward nature vary.

These stunning photographs reveal the determination and resilience of a centuries-old way of life.

At least while the lions behave.

“I see the collection as a tool for uncovering what is already there."

Kasanka National Park in Zambia hosts one of the largest and most mysterious animal migrations on the planet.

An ambitious wetlands restoration project attempts to balance a return to the area's ecological past and the realities of a changing future.