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The house sparrow is typically about 16 cm (6.3 in) long, ranging from 14 to 18 cm (5.5 to 7.1 in). [4] The house sparrow is a compact bird with a full chest and a large, rounded head. Its bill is stout and conical with a culmen length of 1.1–1.5 cm (0.43–0.59 in), strongly built as an adaptation for eating seeds. Its tail is short, at 5.2 ...
The house sparrow is a small bird with 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.
[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
In a recent study, researchers estimated 862 million birds in the sparrow family have been lost since 1970, comprising the single largest proportion of the 3 billion birds lost overall.
The house finch is a moderate-sized finch, 12.5 to 15 cm (5 to 6 in) long, with a wingspan of 20 to 25 cm (8 to 10 in). Body mass can vary from 16 to 27 g (9 ⁄ 16 to 15 ⁄ 16 oz), with an average weight of 21 g (3 ⁄ 4 oz).
The house sparrow typically lays 3-6 eggs, but has been known to lay as few as 1 and as many as 8 greenish-white eggs. The incubation period is typically 10–14 days. [ 15 ]
A new study found evidence that income inequality and historic redlining affect the types of birds people experience across Los Angeles County.
The house sparrow and Eurasian tree sparrow are the most frequent victims of roadkill on the roads of Central, Eastern and Southern Europe. [71] The maximum recorded age is 13.1 years, [ 30 ] but three years is a typical lifespan.