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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".
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.
These birds have brown backs streaked with black, and distinctive head markings. Their cup nests, built by the female, are of plant material lined with fine grasses and constructed on the ground, low in a tree or bush, or in a niche in a wall. The female lays brown-blotched greenish-blue or greenish white eggs, which she incubates for 12–14 days.
The adult white-throated sparrow has a wingspan between 7.9 and 9.1 inches and is rather “plump,” The Cornell Lab’s All About Birds reports. Along with its white throat, the species also ...
Jim McCormac visits Slate Run Metro Park to see and hear white-crowned sparrows, especially the young birds practicing their song. Young white-crowned sparrows perfecting melody still a delight to ...
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 house sparrow (Passer domesticus) is a bird of the sparrow family Passeridae, found in most parts of the world. It is a small bird that has a typical length of 16 cm (6.3 in) and a mass of 24–39.5 g (0.85–1.39 oz). Females and young birds are coloured pale brown and grey, and males have brighter black, white, and brown markings.
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