Columbia Encyclopedia

(Encyclopedia) drongo drŏngˈgō [key], any of the insect-eating Old World birds of the family Dicruridae. Most species have black plumage with an iridescent purple or green shimmer and long, deeply forked tails. T...

(Encyclopedia) canary kənârˈē [key], common name for a familiar cage bird of the family Ploceidae (Old World finch family), descended from either the wild serin finch or from the very similar wild canary, Serinu...

(Encyclopedia) cankerworm, name for two destructive inchworms, or larvae of geometrid moths. The spring cankerworm (Paleacrita vernata) and the fall cankerworm (Alsophila pometaria) are named for the seasons at whic...

(Encyclopedia) citron sĭtˈrən [key], name for a tree (Citrus medica) of the family Rutaceae (orange family), and for its fruit, the earliest of the citrus fruits to be introduced to Europe from Asia. The small ev...

(Encyclopedia) Crawford, William Harris, 1772–1834, American statesman, b. Amherst co., Va. (his birthplace is now in Nelson co.). He moved with his parents to South Carolina and later to Georgia. After studying l...

(Encyclopedia) crayfish or crawfish, freshwater crustacean smaller than but structurally very similar to its marine relative the lobster, and found in ponds and streams in most parts of the world except Africa. Cray...

(Encyclopedia) crossbill, bird of the genus Loxia, in the finch family. Its bill, crossed at the tips, is specialized for pulling apart pine cones and picking out the seeds. Crossbills are found in the evergreen for...

(Encyclopedia) aniline ănˈəlĭn [key], C6H5NH2, colorless, oily, basic liquid organic compound; chemically, a primary aromatic amine whose molecule is formed by replacing one hydrogen atom of a benzene molecule w...

(Encyclopedia) Haymarket Square riot, outbreak of violence in Chicago on May 4, 1886. Demands for an eight-hour working day became increasingly widespread among American laborers in the 1880s. A demonstration, large...

(Encyclopedia) shrub, any woody, perennial, bushy plant that branches into several stems or trunks at the base and is smaller than a tree. Shrubs are an important feature of permanent landscape planting, being used ...