Add Yahoo as a preferred source to see more of our stories on Google. It’s easy to lump all sparrow bird types together: “Yep, looks like a sparrow to me.” You can find at least 33 species of native ...

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 controversial plan to raise rare Florida grasshopper sparrows in captivity has begun with a pair of chicks taken from a nest on an Osceola County ranch. The species lives only in Central Florida and ...

A bird rare to Colorado appears to have made its home at Soapstone Prairie Natural Area north of Fort Collins. Biologists from Bird Conservancy of the Rockies confirmed the presence of male and female ...

Researchers can now predict the number of offspring a bird will have based on its prolactin and corticosterone levels. Some animals produce more offspring than others. Hormones like prolactin and ...

A white-crowned sparrow affixed with a lightweight radio transmitter (complete with a long antenna extending off its back), allowing researchers to track its migratory movements. Image Credit: ...