In environmental terms, the active presence of birds functions as a bioindicator of ecological health. A space where frequent ...

Each spring, birds across America are in full voice. Cardinals chatter, sparrows sing and warblers warble. Birdsong lifts the human spirit – “‘Hope’ is the thing with feathers,” after all. Yet birds ...

Even if you’re not a bird person, you probably know the jaunty song of the white-throated sparrow. It plays on loop in North America’s boreal forests, a classic as familiar as the chickadee’s trill ...

Add Yahoo as a preferred source to see more of our stories on Google. taken in spring in my Flower Garden Taken with Nikon 5200 it sits on this peace of wood and sings everyday for a few ...

White-crowned sparrows in San Francisco are singing in a higher pitch than they did in 1969 to be heard over louder traffic. Christopher Intagliata reports City dwellers compete with the din of ...

Elizabeth Derryberry has been studying the songs of white-crowned sparrows for over a decade. Her 2012 work recording and analyzing birdsongs helped demonstrate that San Francisco sparrows slowly ...