Animals
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Animals
Stilts for ants make case for pedometer
Changing the leg length of desert ants upsets their ability to judge distance, providing the first evidence in any animal of a built-in odometer based on stride.
By Susan Milius -
Animals
Live Prey for Dummies: Meerkats coach pups on hunting
Meerkats easing their pups into the job of handling live prey are among the few animal species shown so far to be natural teachers. With audio.
By Susan Milius -
Animals
Dawn Sneaks: Old birds sing early, cuckold sleepyheads
Among European birds called blue tits, older males join the springtime dawn chorus extra early—which may signal their charms to philandering females.
By Susan Milius -
Animals
Fishy Reputations: Undersea watchers choose helpers that do good jobs
Coral reef fish use smart-shopper techniques of looking for satisfied customers before choosing a small fish to provide cleaning services.
By Susan Milius -
Animals
Naked and Not
The Damaraland mole rat may be less famous than its naked cousin, but both have some of the oddest social structures found in a mammal.
By Susan Milius -
Animals
Mixed Butterflies: Tropical species joins ranks of rare hybrids
A South American butterfly is one of the few animal species that seems to have arisen via the supposedly rare path of crossing two older species.
By Susan Milius -
Animals
Leggiest Animal: Champ millipede located after 79-year gap
A millipede species that can grow up to 750 legs has turned up in California after decades with no sightings.
By Susan Milius -
Animals
Walking on Water: Tree frog’s foot uses dual method to stick
The tree frog can cling to both wet and dry terrains, despite its permanently lubricated foot.
By Eric Jaffe -
Animals
Lobster Hygiene: Healthy animals quick to spot another’s ills
Caribbean spiny lobsters will avoid sharing a den with another lobster that's coming down with a viral disease.
By Susan Milius -
Animals
True-pal lizards may show odd gene
Colorful lizards in California may offer an example of a long-sought evolutionary factor called greenbeard genes, a possible explanation for altruism.
By Susan Milius -
Animals
Jay Watch: Birds get sneakier when spies lurk
A scrub jay storing food takes note of any other jay that watches it and later defends the hoard accordingly.
By Susan Milius -
Animals
Monkey Business: Specimen of new species shakes up family tree
The new monkey species found in Tanzania last year may be unusual enough to need a new genus, the first one created for monkeys in nearly 80 years.
By Susan Milius