On an average, it takes up to 12 years to add a species to the federal Endangered Species list, a backlog activists say puts ...

Spanish Sparrow is rapidly northwards in Spain, colonising areas in recent years along the northern edge of its distribution.

The cheery and sociable house sparrow is more closely associated with humans than any other widely established North American exotic. Introduced to New York City in 1851, the species today ...

The Java sparrow is ready for the video recording. As I hold it carefully in my hand in order to transfer it to the recording ...

NEWTOWN, Conn.— The Center for Biological Diversity filed a formal petition today with the U.S. Fish and Wildlife Service seeking protection for the saltmarsh sparrow under the Endangered Species Act.