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The white-throated sparrow is now one of five American sparrows placed in the genus Zonotrichia that was introduced by William Swainson in 1832. [4] The genus name is from Ancient Greek ζωνη ( zōnē ) meaning "band" and θριξ ( thrix ), τριχος ( trikhos ) meaning "hair".
Golden-crowned sparrow: north-central Alaska (including the Aleutian Islands as far west as Unimak Island) and central Yukon south to the northwestern corner of the US state of Washington, and wintering from southern coastal Alaska to northern Baja California Zonotrichia capensis: Rufous-collared 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 research that Tuttle focused on during her undergraduate work began with the white-throated sparrow alongside Doug Fraser and at the CLBS. Her later graduate and post-doctoral studies would expand to the subjects of sexual selection and reproductive trade-offs. This led into how the process of sperm competition functions in birds.
Adults have black and white stripes on their head, a gray face, brown streaked upper parts and a long tail. The wings are brown with bars and the underparts are gray. Their bill is pink or yellow. They are similar in appearance to the white-throated sparrow, but do not have the white throat markings or yellow lores. [3] Measurements: [4]
White Butterfly Tattoo Meaning. Butterflies in general are popular inspirations for tattoos, often symbolizing personal journeys of transformation or rebirth in a beautiful graphic form. White ...
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
In March, a mother was horrified to find a pedophile symbol on a toy she bought for her daughter. Although the symbol was not intentionally placed on the toy by the company who manufactured the ...