Animals
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Animals
Fossil illuminates ancestry of swifts and hummingbirds
Spectacularly preserved remains suggest that the two avian groups' predecessors got small before splitting and developing their flying chops.
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Animals
A Different Kind of Smart
Animals’ cognitive shortcomings are as revealing as their genius.
By Susan Milius -
Animals
Termites, not fairies, cause plant circles in African deserts
Underground insect engineers create water traps in the soil, allowing rings of green grasses in the sand.
By Susan Milius -
Animals
Native pollinators boost crop yields worldwide
Farms with crops from coffee to mangoes don’t get the best yields if they rely solely on honeybees.
By Susan Milius -
Animals
How weaver ants get a grip
Strong sticking power and quick reaction time help the insects stay put in trees.
By Susan Milius -
Animals
Sea slug carries disposable penis, plus spares
A hermaphroditic gastropod sheds its penis after one use, then uncoils another.
By Susan Milius -
Animals
Compared with rodents, bat species carry more viruses
Viruses that can jump from animals to people may find the flying mammals a fine place to lurk.
By Susan Milius -
Animals
Mole sniffs the world in stereo
Nostrils of the common mole recognize slight differences in smells to steer it toward its food.
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Animals
Cats kill more than one billion birds each year
New analysis doubles estimate of avian death tolls, revealing that hunting felines take bigger bite out of wildlife than expected.
By Susan Milius -
Animals
Dung beetles steer by the Milky Way
The insects orient themselves using starlight, researchers find in planetarium experiments.
By Susan Milius -
Animals
Finally, the truth about barnacle sex is revealed
A genetic analysis shows that the sessile crustaceans can broadcast sperm in water, contrary to previous assumptions.
By Susan Milius -
Animals
Integrative and Comparative Biology
The hormonal roller coaster that is male pipefish pregancy and collision safety features for flying insects.
By Susan Milius