Animals
- Animals
Profiles in Courtship: Flirting male fish show their best sides
Courting male guppies that sport a tad more orange on one side of their bodies than on the other tend to flash that brighter side at females.
- Animals
Clownfish noisemaker is new to science
Clownfish make "pop-pop-pop" noises at each other by clacking their teeth together in a novel way.
- Animals
Moths mimic ‘Don’t eat me’ sounds
Moths that make clicking noises at predatory bats are mimicking a defensive signal made by other moths that click and also taste bad.
- Animals
Scary Singing: Precise birds signal, ‘Don’t mess with us’
A pair of magpie-larks can advertise their toughness by the precision of the duets they sing.
- Animals
Pothole Pals: Ants pave roads for fellow raiders
By throwing their bodies into tiny potholes on rough trails, army ants enable their comrade to race over them, improving the colony's overall foraging success.
- Animals
Virgin Birth: Shark has daughter without a dad
DNA testing of two sharks confirms an instance of reproduction without mating, adding a fifth major vertebrate lineage to those known for occasional virgin births.
- Animals
Low Life: Cold, polar ocean looks surprisingly rich
The first survey of life in deep waters around Antarctica has turned up hundreds of new species and a lot more variety than explorers had expected.
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- Animals
Sex—perhaps a good idea after all
A family of mites may be the first animal lineage shown to have abandoned sexual reproduction and then reevolved it millions of years later.
- Animals
Egg Shell Game
Birds apparently cheat chance when it comes to laying eggs that contain sons or daughters.
- Animals
Spider blood fluoresces
Among spiders, fluorescence under ultraviolet light seems to be a widespread trait.
- Animals
Living Fossil: DNA puts rodent in family that’s not extinct after all
The Laotian rock rat, which is very much alive, belongs to a rodent family that supposedly vanished 11 million years ago.
