White-throated sparrows are fairly common species. They are fairly abundant and their range is substantial. Compared to many migratory bird populations white-throated sparrow numbers appear to be comparatively stable.
The White-throated Sparrow The White-throated Sparrow comes in two color forms: white-crowned and tan-crowned. What is interesting is that individuals almost always mate with a bird of the opposite coloration. Additionally, both male and female white-stripe birds are more aggressive than the tan-stripe birds.
White-throated sparrows nest either on the ground under shrubs or low in trees. Their eggs are approximately .7″ and are pale-green flecked with brown. The chicks hatch in about 11 – 14 days and fledge in 7 – 12 days. The White-throated Sparrow The White-throated Sparrow and the Dark-eyed Junco occasionally mate and produce hybrids.
The White-throated Sparrow is a large, full-bodied sparrow, roughly 6″ – 7″, with a fairly prominent bill, rounded head, long legs, and long, narrow tail.
White-throated Sparrows are brown above and gray below with a striking head pattern. They have a black-and-white-striped head and a bright white throat and yellow between the eye and the gray bill.
Woodlands, forest edges, residential areas, shelterbelts In the northeastern U.S. and across most of Canada, white-throated sparrows breed in semi-open coniferous and mixed forests that are regenerating following logging, fires, or insect damage, and where secondary growth provides a low, dense understory.
Territory: Found in their summer range from Alaska to Newfoundland, New England, the Great Lakes Region, and much of Canada. It migrates in the southeastern third of the United States.
They mainly eat seeds, insects and berries. They are frequent visitors to bird feeders and can be seen on the ground searching for seeds that have fallen.
Patuxent Bird Identification InfoCenter
The Audubon Society – Field Guide to North American Birds (Eastern Region)
Wikipedia, the free encyclopedia
Cornell Lab of Ornithology