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The white-throated sparrow is a passerine bird of the New World sparrow family Passerellidae. It measures 15 to 19 cm (5.9 to 7.5 in) in length with a wingspan of 23 cm (9.1 in). It measures 15 to 19 cm (5.9 to 7.5 in) in length with a wingspan of 23 cm (9.1 in).
Her 1993 Ph.D. dissertation discussed the white-throated sparrow and how the different color morphs are kept at a stable and equal amount in each subsequent generation. [ 3 ] She continued her research at Indiana University as a post-doctoral fellow for Ellen Ketterson , which included an international trip to the United Kingdom for additional ...
Zonotrichia albicollis black-and-white-striped morph Zonotrichia albicollis brown-and-tan-striped morph The white-throated sparrow ( Zonotrichia albicollis ), a passerine bird of the American sparrow family Passerellidae , shows a clear dimorphism in both sexes throughout its large range.
Rufous-collared sparrow: south-east of Mexico to Tierra del Fuego, and on the island of Hispaniola Zonotrichia querula: Harris's sparrow: north part of central Canada (primarily the Northwest Territories and Nunavut, ranging slightly into northern Manitoba and Saskatchewan) †Zonotrichia robusta: Miramar Formation, Argentina (Pleistocene) [3]
Olive sparrow: Arremonops rufivirgatus (Lawrence, 1851) 24 Green-backed sparrow: Arremonops chloronotus (Salvin, 1861) 25 Black-striped sparrow: Arremonops conirostris (Bonaparte, 1850) 26 Tocuyo sparrow: Arremonops tocuyensis Todd, 1912: 27 Five-striped sparrow: Amphispizopsis quinquestriata (Sclater, PL & Salvin, 1868) 28 Black-throated sparrow
American kestrel, male red morph American kestrel, female white morph. Order: Falconiformes ... White-throated sparrow: Zonotrichia albicollis (R) Savannah sparrow:
It is a sister species with, and very closely related to, the white-crowned sparrow; studies of mitochondrial DNA show the two evolved into separate species very recently in geologic time. The white-throated sparrow is a slightly more distant relative. [4] Hybridization with both white-crowned and white-throated sparrows has been reported. [3]
The black-capped chickadee is the state bird of Massachusetts. This list of birds of Massachusetts includes species documented in the U.S. state of Massachusetts and accepted by the Massachusetts Avian Records Committee (MARC). As of July 2023, there are 516 species included in the official list. Of them, 194 are on the review list (see below), six have been introduced to North America, three ...