Animals

Animals

Really big guys restrain youth violence

Importing six full-grown bull elephants into a park of youngsters stopped killing sprees by young males.

Animals

Anybody know this fish?

A 2-month marine-biodiversity survey of the Mid-Atlantic Ridge concluded this week, bringing home much data and some novel specimens.

Animals

Whys Guy

Interested in seeing an exploding watermelon, using liquid nitrogen to make ice cream, or knowing why a hurricane spins? Physicist Mats Selen of the University of Illinois has appeared regularly on a local morning TV program to demonstrate a wide variety of physical and chemical phenomena. View video clips of these entertaining presentations. Requires Windows […]

Animals

Trail Mix: Espionage among the bees

Tests with two kinds of stingless bees suggest that the more aggressive species uses scent-based espionage to target raids on the milder species' food.

Animals

A first for mammals: Tropical hibernating

The fat-tailed lemur, the first tropical mammal documented to hibernate, exploits local heat spikes to save energy during the long snooze.

Animals

Sparrows Cheat on Sleep: Migratory birds are up at night but still stay sharp

During their fall migration season, white-crowned sparrows sleep only about a third as much as they do at other times of the year without becoming slow-witted.

Animals

Ultrasound alarms by ground squirrels

Richardson's ground squirrels may occasionally use ultrasound when calling out in response to a disturbance.

Animals

Why does a buddy help another male flirt?

The sidekick male in the two-bird courtship display of lance-tailed manakins has to leave when the mating starts but may reap delayed benefits in real estate and performance practice.

Animals

Farmer ant species may have lost all its males

A fungus-growing ant may be the first ant species known to have no power of sexual reproduction.

Animals

Jumping spiders buzz, thump when dancing

Some jumping spiders, long considered visually oriented animals, turn out to utilize seismic communication for a successful courtship.

Animals

Hot Bother: Ground squirrels taunt in infrared

California ground squirrels broadcast an infrared signal when confronting a rattlesnake.

Animals

Thoroughly Modern Migrants

Butterflies and moths are causing scientists to devise a broader definition of migration and this has raised some old questions in new ways.