Animals
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Animals
Guys Roll Eyes: Fish show some eyeball to their rivals
During breeding season, male fish roll their eyes to send a quick "Back off, punk" signal to other males, researchers say.
By Susan Milius -
Animals
No-Dad Dragons: Komodos reproduce without males
Two female Komodo dragons in zoos have startled their keepers by laying viable eggs without males, possibly as a last resort at a time when mates are in increasingly short supply.
By Susan Milius -
Animals
Extreme Tongue: Bat excels at saying ‘Aah’
The new champion among mammals at sticking out its tongue is a small bat from Ecuador.
By Susan Milius -
Animals
Ebola Die-Off: Gorilla losses tallied in central Africa
Between 2001 and 2005, Ebola virus killed at least 5,500 lowland gorillas in the Republic of the Congo.
By Nathan Seppa -
Animals
New Butterfly: High-alpine species from low-life parents
Little bluish butterflies high in the Sierra Nevada could be one of the few animal species to have arisen from crossbreeding of two other species.
By Susan Milius -
Animals
Fighting Styles: Gene gives flies his, her conflict moves
Switching forms of one gene can make a male fruit fly fight like a girl, and vice versa.
By Susan Milius -
Animals
Tough policing deters cheating in insects
In insect societies that have tough police, it's coercion, rather than kinship, that's preventing crime.
By Susan Milius -
Animals
Chicken Speak: Birds pass test for fancy communication
The chicken may be the first animal other than primates that's been shown to make sounds that, like words, represent something in the environment. With audio.
By Susan Milius -
Animals
Hey, that’s me!
A test with a jumbo-size mirror suggests that Asian elephants may be among the few species that can recognize their own images.
By Susan Milius -
Animals
Ivory-billed hopes flit to Florida
There's no photo, but a team of ornithologists says that its sightings suggest that a few ivory-billed woodpeckers still live along the Choctawhatchee River in Florida.
By Susan Milius -
Animals
Why Play Dead?
Common wisdom dictates that playing dead discourages predators, but researchers are now thinking harder about how, or whether, that strategy really works.
By Susan Milius -
Animals
Tropical diversity came with time
Species in richly diverse tropics don't evolve faster than do species in temperate zones.
By Susan Milius