These bats buzz like wasps and bees. The sound may deter hungry owls

Some bats buzz like wasps and bees when grasped, and the sound seems to deter predatory owls. The findings reveal what may be the first known case of a mammal…

Some hamsters are extremely susceptible to COVID-19

Golden Syrian hamsters are highly susceptible to the coronavirus that causes COVID-19, a new study shows. While the species is popular among pet owners, the results, posted April 20 at…

Dog breed is a surprisingly poor predictor of individual behavior

Turns out we may be unfairly stereotyping dogs. Modern breeds are shaped around aesthetics: Chihuahuas’ batlike ears, poodles’ curly fur, dachshunds’ hot dog shape. But breeds are frequently associated with…

Why you should care about ‘The Insect Crisis’

The Insect CrisisOliver MilmanW.W. Norton & Co., $27.95 Imagine a world without insects. You might breathe a sigh of relief at the thought of mosquito-free summers, or you might worry…

These male spiders catapult away to avoid being cannibalized after sex

An act of acrobatics keeps males of one orb-weaving spider species from becoming their mates’ post-sex snack. After mating, Philoponella prominens males catapult away from females at speeds up to…

These flowers lure pollinators to their deaths. There’s a new twist on how

Fake — and fatal — invitations to romance could be the newest bit of trickery uncovered among some jack-in-the-pulpit wildflowers. The fatal part isn’t the surprise. Jack-in-the-pulpits (Arisaema) are the…

Most bats don’t echolocate in broad daylight. Here’s an exception

Despite their excellent vision, one city-dwelling colony of fruit bats echolocates during broad daylight — completely contrary to what experts expected. A group of Egyptian fruit bats (Rousettus aegyptiacus) in…

‘Paradise Falls’ thrusts readers into the Love Canal disaster

Paradise FallsKeith O’BrienPantheon, $30 In December 1987, my family moved from sweltering Florida to a snow-crusted island in the Niagara River just north of Buffalo, N.Y. There on Grand Island,…

How a mound-building bird shapes its Australian ecosystem

Earthen piles built by a chicken-like bird in Australia aren’t just egg incubators — they may also be crucial for the distribution of key nutrients throughout the ecosystem. In the…

How do we know what emotions animals feel?

A dog gives a protective bark, sensing a nearby stranger. A cat slinks by disdainfully, ignoring anyone and everyone. A cow moos in contentment, chewing its cud. At least, that’s…