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partridge

(Encyclopedia)partridge, common name applied to various henlike birds of several families. The true partridges of the Old World are members of the pheasant family (Phasianidae); the common European or Hungarian spe...

nutcracker

(Encyclopedia)nutcracker, common name for a small crow of the genus Nucifraga in the family Corvidae (crow family). The Old World nutcracker (N. caryocatactes) is found throughout the colder regions of Europe, incl...

sparrow

(Encyclopedia)sparrow, common name of various small brown-and-gray perching birds. New World birds called sparrows are members of the finch family. They were named for their resemblance to the English sparrow and t...

squash bug

(Encyclopedia)squash bug, name for a true bug, Anasa tristis, found throughout the United States and S Canada. It damages squash, pumpkin, and related plants by sucking the juices from leaves and stems. The adult i...

color blindness

(Encyclopedia)color blindness, visual defect resulting in the inability to distinguish colors. About 8% of men and 0.5% of women experience some difficulty in color perception. Color blindness is usually an inherit...

cowbird

(Encyclopedia)cowbird, New World bird of the blackbird and oriole (hangnest) family. The male eastern, or common, cowbird is glossy black, about 8 in. (20 cm) long, with a brown head and breast; the female is gray....

codling moth

(Encyclopedia)codling moth kŏdˈlĭng [key], small moth, Carpocapsa pomonella, whose larva is the destructive apple worm. Of European origin, it is now found wherever apples are grown. The adult moth is gray with ...

uremia

(Encyclopedia)uremia yo͝orēˈmēə [key], condition resulting from advanced stages of kidney failure in which urea and other nitrogen-containing wastes are found in the blood. Uremia can be caused by NSAIDs (nons...

talc

(Encyclopedia)talc, mineral ranging in color from white through various shades of gray and green to the red and brown of impure specimens, translucent to opaque, and having a greasy, soapy feel. It is a hydrous sil...

Berlin, Sir Isaiah

(Encyclopedia)Berlin, Sir Isaiah, 1909–97, English political scientist, b. Riga, Latvia (then in Russia). His family moved to St. Petersburg when he was a boy and emigrated to London in 1921. He was educated at O...
 

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