The cheery and sociable house sparrow is more closely associated with ... On freshly molted (nonbreeding) bird, the blackish and reddish regions obscured by gray feather tips.

Anyone who has sparrows in their garden is being asked to help them out this winter. The sparrow is a staple of British ...

This season I have already had cardinals, blue jays, downy wood peckers, nut hatches, rock turtle doves, sparrows, chickadees ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

A white-crowned sparrow perches on a tree branch. Note the white and black crown, along with the orange bill. The similar in ...