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White Throated Sparrow (2)

White-throated Sparrow (Tan Striped Form)

The White-throated Sparrow (Zonotrichia albicollis) is a passerine bird of the American sparrow family Emberizidae. It measures 15 to 19 cm (5.9 to 7.5 in) in length with a wingspan of 23 cm (9.1 in). They are similar in appearance to the White-crowned Sparrow, but with white throat markings and yellow lores.

There are two adult plumage variations known as the Tan-striped and White-striped forms. On the White-striped form, the crown is black with a white central stripe. The supercilium is white as well. The auriculars are gray with the upper edge forming a black eye line.

On the tan form, the crown is dark brown with a tan central stripe. The supercilium is tan as well. The auriculars are gray/light brown with the upper edge forming a brown eye line. Both variations feature dark eyes, a white throat, yellow lores and gray bill. [Wikipedia]

White Throated Sparrow Tan Striped Morph

White-throated Sparrow (Tan Striped Form)

Crisp facial markings make the White-throated Sparrow a beautiful bird as well as a hopping, flying anatomy lesson. There’s the black eyestripe, the white crown, and supercilium, the yellow lores, the white throat bordered by a black whisker, or malar stripe. They’re also a great entrée into the world of birdsong, with their lovely, wavering whistle of Oh-sweet-Canada. These forest sparrows breed mostly across Canada, but they’re familiar winter birds across most of eastern and southern North America and California. [All About Birds]

White Throated Sparrow

White-throated Sparrow (Tan Striped Form)

White-throated Sparrow Facts [All About Birds]

  • The White-throated Sparrow comes in two color forms: White-crowned and tan-crowned. The two forms are genetically determined, and they persist because individuals almost always mate with a bird of the opposite morph. Males of both color types prefer females with white stripes, but both kinds of females prefer tan-striped males. White-striped birds are more aggressive than tan-striped ones, and white-striped females may be able to out-compete their tan-striped sisters for tan-striped males.
  • Although they look nothing alike and aren’t particularly closely related, the White-throated Sparrow and the Dark-eyed Junco occasionally mate and produce hybrids. The resulting offspring look like grayish, dully marked White-throated Sparrows with white outer tail feathers.
  • White-throated Sparrows typically nest on or near the ground. Occasional nests are built up to 15 feet off the ground in conifers. Usually, these nests are second attempts after a pair has had a ground nest robbed by a predator.
  • The oldest recorded White-throated Sparrow was at least 14 years, 11 months old when it was recaptured and re-released during banding operations in Alberta.

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