Animals
- Animals
Hatch a Thief: Brains incline birds toward a life of crime
When it comes to a bird family's propensity to pilfer, a larger than usual brain for a particular body size is more important than body size alone.
- Animals
Female antelopes take the lead in courtship
Topi antelopes, with their hesitant males, reverse the usual sex roles in mammal courtship.
- Animals
Mr. Not Wrong: Not my species? Not a problem
Female toads that accept mates of another species in tough times may be looking after their own interest.
- Animals
Cousin Who? Gliding mammals may be primates’ nearest kin
Two species of small, little-known rain forest mammals may be primates' closest living relatives.
- Animals
Smells Funny: Fish schools break up over body odor
Just an hour's swim in slightly contaminated water can give a fish such bad body odor that its schoolmates shun it.
- Animals
Eat a Killer: Snake dines safely with strategic delays
An Australian snake kills dangerous frogs then waits for their defensive chemicals to degrade before eating them.
- Animals
Crowcam: Camera on bird’s tail captures bird ingenuity
Video cameras attached to tropical crows record the birds' use of plant stems as tools to dig out food.
- Animals
Tough-guy bluebirds need a frontier
As western bluebirds recolonize Montana, the most aggressive males move in first, paving the way for milder-mannered dads to take over.
- Animals
Not Your Ordinary Amphibians
They resemble mondo worms or perhaps eels and snakes. But caecilians (seh sil yenz) are actually legless amphibians, and along with deep sea fishes are among the least well known vertebrates on the planet. Some run to a meter or more in length. Although information on these elusive animals and photos of them are hard […]
- Animals
Honeybee mobs smother big hornets
Honeybees gang up on an attacking hornet, killing it by blocking its breathing.
- Animals
Hybrid Power: Salamander invader ups survival of rare cousin
Mixed offspring of the endangered California tiger salamander and an invasive cousin survive better than either pure-bred species, raising tricky questions for conservationists.
- Animals
Fish Switch: Salmon make baby trout after species, sex swap
Salmon implanted with trout reproductive tissue bred to produce a generation of normal rainbow trout.
