Female Grant's gazelles, Serengeti Plain

A Horny Proposition

Why do some female bovids have horns, whereas others don’t?

Ruby-throated hummingbird

Flexible Feeders

The lower bill of the hummingbird makes a nectar-drinking beak into one for catching insects.

humpback whale and seal

Save the Seal!

Whales act instinctively to save seals

eggs

Spot Check

Birds use egg speckles to predict parasitism.

child photographing anteater

An Anteater Named Teddy

Even as a pet, his single interest was in ants, and he never quite got used to a tame chimpanzee.

Yellow-bellied marmot

Ghost of Predation Past

Colorado marmots “remember” a long-gone foe.

 dead roaches

Death Whiff

"Necromones" that tell insects their dead are near may be ancient.

To Kill a Cormorant

Are double-crested cormorants overrunning their niche—or recovering from centuries of suppression?

Expedition Headquarters

Bones in the Brewery

A Paleontologist's Rendezvous with History and Prehistory in St. Louis

rage in three guises

What Are They Thinking?

Characteristic facial expressions, postures, and movements are the key to an understanding of animal psychology and the soul of animal art.

view counter

Recent Stories

Caves are among the predators’ favorite spots.

The brain doesn't much care whether an experience is real.

Humans will never win a sprint against your average quadruped. But our species is well-adapted for the marathon.

Recent Interview

Xiaoming Wang

Hear author Xiaoming Wang interviewed by Vittorio Maestro, Editor in Chief of Natural History. (MP3, 17 minutes)