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An audio recording of a house sparrow. 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).
Many kinds of birds are known to congregate in groups of varying size; a congregation of nesting birds is called a breeding colony. Colonial nesting birds include seabirds such as auks and albatrosses; wetland species such as herons; and a few passerines such as weaverbirds, certain blackbirds, and some swallows.
A large congregation of individuals of one or more species of bird that nest or roost in proximity at a particular location. Many kinds of birds are known to congregate in groups of varying size; a congregation of nesting birds is called a breeding colony. A group of birds congregating for rest is called a communal roost.
Old World sparrows are a group of small passerine birds forming the family Passeridae. They are also known as true sparrows , a name also used for a particular genus of the family, Passer . [ 1 ] They are distinct from both the New World sparrows , in the family Passerellidae , and from a few other birds sharing their name, such as the Java ...
Group living provides the presence of social information within the group, allowing both male and female members to find and select potential mating partners. Alongside this, living in a group allows for higher reproductive success as individuals have access to a greater number of potential mates, and the possibility to choose between them. [1]
STRUCTURE OF SONGS AND ORGANIZATION OF SINGING IN FOX SPARROWS BREEDING IN NORTHERN UTAH AND SOUTHERN IDAHO. Utah State University, United States—Utah. Zink RM. Ph.D. (1983). PATTERNS AND EVOLUTIONARY SIGNIFICANCE OF GEOGRAPHIC VARIATION IN THE SCHISTACEA GROUP OF THE FOX SPARROW (PASSERELLA ILIACA) (OREGON, NEVADA, CALIFORNIA). University of ...
Galahs gathering for communal roost, Karratha (). Communal roosting is an animal behavior where a group of individuals, typically of the same species, congregate in an area for a few hours based on an external signal and will return to the same site with the reappearance of the signal.
With more than 140 families and some 6,500 identified species, [1] Passeriformes is the largest order of birds and among the most diverse clades of terrestrial vertebrates, representing 60% of birds. [ 2 ] [ 3 ] Passerines are divided into three suborders : New Zealand wrens ; diverse birds found only in North and South America ; and songbirds .