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Paleocene epoch

(Encyclopedia)Paleocene epoch pāˈlēəsēnˌ [key], first epoch of the Tertiary period in the Cenozoic era of geologic time (see geologic timescale) between 60 to 66 million years ago. In W North America, the upl...

baboon

(Encyclopedia)baboon, any of the large, powerful, ground-living monkeys of the genus Papio, also called dog-faced monkeys. Five subspecies live in Africa, with one species extending into the Arabian peninsula. They...

American Fur Company

(Encyclopedia)American Fur Company, chartered by John Jacob Astor (1763–1848) in 1808 to compete with the great fur-trading companies in Canada—the North West Company and the Hudson's Bay Company. Astor's most ...

jaguar

(Encyclopedia)jaguar jăgˈwär [key], large New World carnivore of the cat family, Panthera onca. Jaguars range from the SW United States to S central Argentina, though there have been no resident breeding females...

ehrlichiosis

(Encyclopedia)ehrlichiosis ârlĭkēōˈsĭs [key], any of several diseases caused by rickettsia of the genera Ehrlichia and Anaplasma. Ehrlichiosis is transmitted by ticks. Both human forms tend to develop about n...

Yellowstone National Park

(Encyclopedia)Yellowstone National Park, 2,219,791 acres (899,015 hectares), the world's first national park (est. 1872), NW Wyo., extending into Montana and Idaho. It lies mainly on a broad plateau in the Rocky Mt...

wapiti

(Encyclopedia)wapiti wŏpˈĭtē [key], large North American deer, Cervus canadensis, closely related to the Old World red deer. It is commonly called elk in America although the name elk is used in Europe to refer...

mountain men

(Encyclopedia)mountain men, fur trappers and traders in the Rocky Mts. during the 1820s and 30s. Their activities opened that region of the United States to general knowledge. Since the days of French domination th...

Shetland Islands

(Encyclopedia)Shetland Islands zĕtˈ– [key], the archipelago is 70 mi (110 km) long and consists of some 100 islands, of which fewer than one fourth are inhabited. Mainland, Yell, Unst, Fetlar, Whalsey, and Bres...

potato beetle

(Encyclopedia)potato beetle, name for two beetles of the leaf beetle family and for two of the blister beetle family, all destructive to the potato plant and its relatives. Most notorious is the Colorado potato bee...