Putting vampire bats on treadmills reveals an unusual metabolism

Vampire bats have become such specialized bloodsuckers that they metabolize their food more like some blood-feeding flies than like other known mammals, a new experiment shows. The common vampire bat…

Why finding bird flu in a U.S. pig for the first time is raising new worries

At least one pig has picked up bird flu amid an outbreak in poultry on a backyard farm in central Oregon. While the infection appears limited to one farm so…

A single enzyme can alter the vibrant colors in parrot plumage

One enzyme has a key role in determining whether parrots’ rainbow plumage emerges in vibrant reds, yellows or greens, a new study shows. Parrot feathers flaunt an array of colors,…

This marine biologist discovered a unique blue whale population in Sri Lanka

Pooping whales changed the course of Asha de Vos’ career. The Sri Lankan marine biologist was aboard a research vessel near her home island in 2003 when she spotted six…

These hornets may be the alcohol-detox champs of the animal world

Don’t get into a drinking contest with Vespa orientalis hornets. They could out-booze a tree shrew, even a fruit fly. Mere humans wouldn’t stand a chance. These hornets can survive…

Giant rats could help sniff out illegally smuggled goods

A new kind of border patrol agent could soon start work in African ports, sniffing out illegal goods that are smuggled across country lines. They’re rats. And they wear tiny…

A common kitchen tool could help koala conservation

Known for their fluffy ears, round faces and big black noses, koalas spend most of their time snoozing in the canopies of eucalypt forests. Their penchant for perching high up…

Male mosquitoes sometimes suck, too

Male mosquitoes may be nearly as bloodthirsty as females under certain conditions, new research suggests. That upends the notion that only female mosquitoes bite, drink blood and spread diseases while…

The U.S. empire was built on bird dung

In December 1855 and January 1856, a trio of vessels set sail from the United States to Jarvis and Baker islands, coral atolls in the middle of the Pacific Ocean.…

The ‘Mekong ghost’ megafish has resurfaced after an extinction scare 

The “Mekong ghost” fish is a ghost no more. Like the legendary Rip Van Winkle, who wandered into the woods and disappeared for 20 years, the giant salmon carp (Aaptosyax…