Animal behavior

Scientists plan to develop a software tool to monitor the grunts of commercial pigs and determine when they need help.
Tom Metcalfe, Contributor
Bats often get a bad rap for being scary, nighttime flying creatures, but to know a bat is to love a bat.
Karin Heineman, Executive Producer
Bats calculate where their prey is headed using their echolocation abilities.
Inside Science Contributor
When hermaphroditic worms that usually self-fertilize are exposed to stressful high temperatures, they produce offspring that mate earlier than normal.
Jude Coleman, Contributor
The finest silk wrapping can keep females occupied for just long enough.
Joshua Learn, Contributor
The mega-mawed spider appeared to use the water to reconstitute dried-up food.
Jude Coleman, Contributor
The intelligence of crows is nothing to squawk about.
Jude Coleman, Contributor
An expedition uncovered a surprisingly large number of underwater life forms in the Arctic.
Joshua Learn, Contributor
The chimps may be using insects as a kind of medicine.
James Gaines, Contributor
Scientists found that squirrels extract nitrogen from their urea to make proteins.
Charles Q. Choi, Contributor
Researchers used machine learning to identify and understand different fish calls.
Katharine Gammon, Contributor
The aerial acrobat is less than half a millimeter long.
Charles Q. Choi, Contributor