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Variation in Major Body Components of the Tree Sparrow Spizella-Arborea Sampled within the Winter Range. Wilson Bulletin. vol 81, no 3. pp. 280–292. Keiper RR. (1969). Causal Factors of Stereotypies in Caged Birds Serinus-Canarius Serinus-Mozambicus Serinus-Leucopygius Spizella-Arborea Junco-Hyemalis Cyanocitta-Cristata Rearing.
The eastern bluebird is New York's state bird The following list of birds of New York included the 503 species and a species pair of wild birds documented in New York as of August 2022. Unless noted otherwise, the source is the Checklist of New York State Birds published by the New York State Avian Records Committee (NYSARC) of the New York State Ornithological Association. These species ...
The red fox sparrow is a large sparrow with a length of 15–19 cm (6–7.5 in), wingspan of 27 cm (11 in) and an average weight of 32 grams (1.1 ounces). [7] [8] The head is gray with a rufus crown auriculars or ear coverts. Throat is white with a rufus lateral stripe on each side.
The golden-crowned sparrow spends its winters in flocks with conspecifics, but also often with other sparrow species, especially white-crowned sparrows. Flock territories typically range in size from 15–20 acres (6.1–8.1 ha). Individual birds remain with the same flock for the entire winter and return to the same wintering site each year. [15]
It is browner and darker than the red fox sparrow. Slate-colored fox sparrow, P. i. schistacea Baird, SF, 1858 – this taxon breeds in interior western North America and winters to the south and west. It has a gray head and mantle, brown wings, brown breast streaks, and a russet tail.
The chipping sparrow lays a clutch of two to seven pale blue to white eggs with black, brown, or purple markings. They are about 17 by 12 millimetres (0.67 by 0.47 in), and incubated by the female for 10 to 15 days. [7] The chipping sparrow is often brood parasitized by brown-headed cowbirds, usually resulting in the nest being abandoned. [6]
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Permanent residents of the southern half of their range, northern populations of the song sparrow migrate to the southern United States or Mexico during winter and intermingle with the native, non-migratory population. The song sparrow is a very rare vagrant to western Europe, with a few recorded in Great Britain and Norway.