Researchers analyzed saliva the nocturnal mammals leave behind when sipping nectar from plants and residential hummingbird ...

Arizona has 28 species of bats that eat annoying insects and pollinate plants. Here's when they come out and what to do if one gets in your house.

Scientists have demonstrated that Wrinkle-lipped free-tailed bats not only travels great distances, but also hunt at impressive altitudes of up to 1,600 meters above ground -- the altitude at which ...

Though sightings in Colorado are rare, these animals are crucial to the ecosystem as they help control populations of small ...

FLAGSTAFF, Ariz. (AP) — Scientists have long suspected that Mexican long-nosed bats migrate through southeastern Arizona, but ...

What happens when the biodiversity witnessed by one generation fades into memory the next? These questions are crossroads at ...

Every winter, some animals disappear into a deep sleep, surviving the freezing temperatures in hibernation. From bears and bats to groundhogs and frogs, here are 10 fascinating creatures that ...