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The vesper sparrow is 14–16 cm (5.5–6.3 in) in overall length and weighs 19.5–28.3 g (0.69–1.00 oz). [8] Adults have light brown upper-parts and light under-parts, both with darker streaking. There are three features that are unique to the vesper sparrow. The first is the presence of a small, white ring surrounding the eyes.
[1] [2] A close relative of the common swift, the white-throated needletail (Hirundapus caudacutus), is commonly reported as the fastest bird in level flight with a reported top speed of 169 km/h (105 mph). This record remains unconfirmed as the measurement methods have never been published or verified.
The fox sparrow (Passerella iliaca) is a large New World sparrow. It is the only member of the genus Passerella , although some authors split the species into four (see below). Taxonomy
The Spanish sparrow or willow sparrow (Passer hispaniolensis) is a passerine bird of the sparrow family Passeridae. It is found in the Mediterranean region and south-west and central Asia . It is very similar to the closely related house sparrow , and the two species show their close relation in a "biological mix-up" of hybridisation in the ...
The rufous-crowned sparrow is a non-migratory species, though the mountain subspecies are known to descend to lower elevations during severe winters. [11] Male sparrows maintain and defend their territories throughout the year. [11] This sparrow is found in open oak woodlands and dry uplands with grassy vegetation and bushes.
Despite their name, not all of the New World sparrows resemble the typical image of a sparrow. Species in the neotropics tend to be much larger with bold patterns of greens, reds, yellows, and grays. Those in the Nearctic realm are smaller, with brown bodies streaked and with some head patterns. [8]
[2] [3] The type species was subsequently designated as the house sparrow (Passer domesticus). [3] [4] The name Passer is the Latin word for "sparrow." [5] A mixed group of Passer sparrows containing a Eurasian tree sparrow, a male house sparrow, and female house or Spanish sparrows, feeding on grain in the town of Baikonur, Kazakhstan
Close-up of a white-throated sparrow head, with bright white throat and yellow lore White-throated sparrows prefer to forage on the ground. The white-throated sparrow (Zonotrichia albicollis) is a passerine bird of the New World sparrow family Passerellidae. It breeds in northern North America and winters in the southern United States.