Columbia Encyclopedia

(Encyclopedia) heron hĕrˈən [key], common name for members of the family Ardeidae, large wading birds including the bittern and the egret, found in most temperate regions but most numerous in tropical and subtrop...

(Encyclopedia) stork, common name for members of a family of long-legged wading birds. The storks are related to the herons and ibises and are found in most of the warmer parts of the world. Storks have long, broad,...

(Encyclopedia) swift, common name for small, swallowlike birds related to the hummingbird and found all over the world, chiefly in the tropics. They range in size from 6 to 12 in. (15–30 cm) in length. Swifts have...

(Encyclopedia) Quebec campaign, 1775–76, of the American Revolution. The Continental Congress decided to send an expedition to Canada to protect the northern frontier from British attack and to persuade Canada to ...

(Encyclopedia) rhythm, biological, or biorhythm, cyclic pattern of physiological changes or changes in activity in living organisms, most often synchronized with daily, monthly, or annual cyclical changes in the env...

(Encyclopedia) Angelou, Maya mīˈə ănˈjəlo͞o [key], 1928–2014, African-American writer and performer, b. St. Louis, Mo., as Marguerite Johnson. She toured Europe and Africa in the musical Porgy and Bess (195...

(Encyclopedia) MacMillan, Donald Baxter, 1874–1970, American arctic explorer, b. Provincetown, Mass., grad. Bowdoin College, 1898, and studied at Harvard. After a decade of teaching, he went on the expedition (190...

(Encyclopedia) Johannesburg jōhănˈĭsbörgˌ, yōhäˈnəsbörkhˌ [key], city, now part and seat of City of Johannesburg metropolitan municipality, Gauteng prov., NE South Africa, on the southern slopes of the W...

(Encyclopedia) Henderson. 1 City (2020 pop. 27,801), seat of Henderson co., NW Ky., on the Ohio River, in an oil, coal, tobacco, corn, and livestock area; founded ...

(Encyclopedia) sun grebe, common name for a tropical, mainly aquatic bird of the family Heliornithidae. Sun grebes, also called finfoots, are remarkable for their colorful, puffy-toed, webbed feet, which may serve a...