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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 ...
In an effort to reduce sparrow populations on a large scale, citizens were mobilized to participate in a mass extermination campaign. [18] To further deter sparrows from consuming grain, people actively engaged in creating loud noises, disrupting the birds and making it challenging for them to rest. [ 19 ]
[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
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Female house sparrow feeding a fledgling House Sparrow song and calls recorded at Cowley, Gloucestershire, England. World Sparrow Day is a day designated to raise awareness of the house sparrow and then other common birds to urban environments, and of threats to their populations, observed on 20 March.
Calls are sometimes distinctive enough for individual identification even by human researchers in ecological studies. [31] Call of black-capped chickadee (note the call and response with a second more distant chickadee) Over 400 bird species engage in duet calls. [32] In some cases, the duets are so perfectly timed as to appear almost as one call.
The vocalisations of the Italian sparrow are similar to those of both the Spanish sparrow and the house sparrow. Its vocalisations carry better in natural environments than those of the house sparrow. The male gives a chreep call like that of the Spanish sparrow to proclaim nest ownership, and a faster version of this as part of courtship ...
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.