World Bird List

Species factsheet
White-crowned Sparrow (Zonotrichia leucophrys)

Order: Zonotrichia leucophrys
Family: New World Sparrows (Passerellidae)

Danske navn: Hvidkronet Spurv

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
gambelii Alaska and w Canada
nuttalli wc California (w USA)
pugetensis sw Canada and nw USA
oriantha inland sw Canada and w USA
leucophrys c and e Canada