One of the most common winter sparrows, the white-crowned typically occurs in flocks, which may involve more than 100 birds. They feed in short grass or open areas adjacent to woodlands ...

White-crowned sparrows that breed along the Pacific Coast tend to have yellow bills and duller white head stripes and birds that breed from Alaska to Hudson Bay tend to have orange bills and white ...

Many of the birds -- including white-crowned parrots, golden-capped parakeets and green-cheeked conures -- are internationally protected species. Red-crowned parrots, also found in the defendants ...