Animals

Ecosystems

Frogs get poison from ants

The skin of some frogs becomes poisonous after they eat certain kinds of ants.

Animals

Noisy boats may bother orcas

Whale watcher boats may be so noisy that killer whales must change their calls to be heard.

Genetics

What makes a dog?

Analyzing dog DNA is helping to explain the origin, behavior, and diseases of dogs.

Animals

Male baboons get mellow

Females may get male baboons to tone down violent behavior and become more cooperative.

Animals

Snagging insects, hummingbird style

A hummingbird has an unexpectedly flexible lower bill to help it catch bugs.

Animals

Ganging up to grab more food

Food-snitching birds may drive wolves to hunt in large packs.

Animals

Sea otters, kelp, and killer whales

Learning more about sea otters can help rescue the animals and save coastal ecosystems.

Animals

Some birds heed a monkey’s warnings

An African forest bird can tell which monkey alarm calls to pay attention to.

Genetics

A butterfly’s new green glow

Scientists have tweaked a butterfly's genes to make its eyes glow green.

Genetics

Animal clones: Double trouble?

From agriculture to medicine to law, animal cloning to create genetic twins could change our lives.

Animals

A bowerbird’s guide to style

To attract a mate, male bowerbirds go for a cheaper, low-key look instead of showy decorations.

Animals

A hangout for elusive blue whales

Scientists have now found a place off southern Chile where blue whales gather.