Wild black-tailed prairie dogs use alarm calls to warn one another of predators, and some grassland birds are listening in. Photo credit: Andrew Dreelin, Smithsonian’s National Zoo and Conservation ...

In South Africa, some people don’t set alarm clocks on their smartphones. Instead, they wake up each day with the high-pitched buckwheat calls piercing through their windows. The raucous calls come ...

HAMPTON, Va. — Spring brings dozens of vulnerable bird species to nest around the Hampton Roads Bridge Tunnel expansion. A group of bird monitors and a few smart dogs are making sure they don't get ...