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(vertebrate zoology)
A family of large birds in the order Passeriformes having stout, long beaks; includes the crows, jays, and magpies.



a family of birds of the order Passeriformes. The birds are of medium and large dimensions (up to 65 cm in length) with powerful beaks and claws. They have nostrils covered with trichoid feathers (adult rooks are an exception) and straight tails, which are either rounded or stepped. Some members of Corvidae (magpies, tropical magpies, and jays) have very long tails. The plumage is thick and in many species has a metallic luster. There are more than 100 species. They are distributed widely and found everywhere but Antarctica, New Zealand, and certain ocean islands. Their haunts are varied and include forests, steppes, deserts, mountains, and populated areas.

Usually members of Corvidae nest in separate pairs and less frequently in colonies. They are monogamous. They build their nests in trees or bushes, on rocks, and on the roofs of buildings. They lay three to eight speckled eggs once a year in early spring. Most species are roosting and migratory birds. They are omnivorous. Some members of Corvidae are useful as exterminators of murine rodents and harmful insects; others are harmful and damage crops (corn and sunflowers, for example) or destroy the eggs and fledglings of other birds. In the USSR there are 17 species, including the Alpine chough, raven, crow, jackdaw, rook, chough, Siberian jay, magpie, and jay.


Ptitsy Sovetskogo Soiuza, vol. 5. Edited by G. P. Dement’ev and N. A. Gladkov. Moscow, 1954.


References in periodicals archive ?
Jim has never attended school, envious that Melody has a shot at a private education; she sees his world as one of adventure, the Crow family welcoming rather than combative.
Winsor said that while CNL has been a good source of capital and is actively pushing DMC to look at expansion opportunities, "our management philosophies and culture were framed by the Crow family, and those business beliefs are still very much part of our day-to-day operations.
She's befriended them, gained their trust, and thus provides a more personal observational style on crow habits and social relationships, including a healthy dose of scientific literature but adding a personal touch which brings the crow family to life.
An extended crow family may include a dozen or more adults, with some working to feed nestlings or fledglings and some standing guard while others forage.
Crow Holdings is the group of international, diversified investment companies that owns and directs the investments of the Trammell Crow family and its investment partners.
The annual Dixie Crow family picnic was a roaring success, with 120 in attendance.
And dying birds of the crow family, including ravens, foretold human infection in the New World as they likely did in ancient Babylon (8).
In 1991, the real estate holdings were sold, some to Crow Investment Trust, the real estate investment arm of the Crow family.
The Hardins and their seven counterparts -- the Bernard Nabholz family of Vilonia, the Bobby Crow family of Centerville, the Barry Walls family of Harrisburg, L.
Crow Holdings is a privately held investment firm that specializes in real estate investments on behalf of the Trammell Crow family and its investment partners.
Hawks, falcons, gulls and members of the crow family are among the obvious ones.