Deep inside a forest tucked on the southern tip of Florida, some lovely trilling songbirds are going through a dry season. These sparrows can’t find a partner to mate with. The culprit: Mercury, not ...

Add Yahoo as a preferred source to see more of our stories on Google. The little birds have seen a major population decline. Photo: National Park Service by Lori Oberhofer. The first time I saw a Cape ...

Pair-bonded Java sparrows show enlarged eye rings to signal breeding readiness. Birds are known for their elaborate courtship rituals and romantic gestures that are replete with beautiful songs, ...

A University of Michigan study found noise pollution has a significant negative impact on wild birds. Noise can interfere with mating calls, parent-offspring communication, and predator detection.

When Andy Bankhert spotted a small brown bird feeding fledglings on Soapstone Prairie Natural Area this summer, it marked the first confirmed instance of the Baird’s sparrow breeding in Colorado.

Maybe the most endangered bird on the planet is the Cape Sable seaside sparrow in the hand of Stuart Pim, an ornithologist who is studying the birds that number about 2,500 in Everglades National Park ...

An endangered grasshopper sparrow sits amid grasses at White Oak, a 10,000-acre conservation preserve north of Jacksonville, one of two captive breeding programs started by the U.S. Fish and Wildlife ...