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Dinotherium

(Encyclopedia)Dinotherium dīnəthērˈēəm [key] [Gr.,=terrible beast], extinct mammal related to the elephant, fossil remains of which have been found in Miocene and Pliocene formations of Africa, Europe, and In...

varying hare

(Encyclopedia)varying hare, any of several medium-sized hares, sometimes known as snowshoe rabbits, having white fur in winter and turning brownish in summer. They are 18 to 19 in. (45–48 cm) long and have very l...

skylark

(Encyclopedia)skylark, common name for a passerine songbird (Alauda arvensis) famous for the soaring, melodious flight of the courting male. Found in Europe (except in the Mediterranean area), it is 71⁄4 in. (18....

lancelet

(Encyclopedia)lancelet, name for small, fishlike lower chordate (see Chordata), also called amphioxus; it shows many affinities with the vertebrates. There are about 30 lancelet species, most belonging to the genus...

junco

(Encyclopedia)junco or snowbird, small seed-eating bird of North America closely related to the sparrows. Juncos have white underparts and gray (sometimes also brown) backs. They travel in flocks. The dark-eyed jun...

killdeer

(Encyclopedia)killdeer, common North American shorebird related to the plover and the sandpiper. It is about 10 in. (25 cm) in length and its plumage is grayish brown with a double black band across a white breast....

bushmaster

(Encyclopedia)bushmaster, large venomous snake, Lachesis muta, of Central America and N South America. It is a member of the pit viper family, which also includes the rattlesnake. The largest New World snake, it re...

baluchitherium

(Encyclopedia)baluchitherium bəlo͞ochĭthērˈēəm [key], extinct primitive rhinoceros, belonging to the genus Baluchitherium, of the Oligocene epoch, fossilized bones of which were found in central Asia. It had...

secretary bird

(Encyclopedia)secretary bird, common name for a long-legged African bird, Sagittarius serpentarius, related to the hawk and about 4 ft (122 cm) tall. Its crest of black feathers suggested the quill pens behind the ...

barracuda

(Encyclopedia)barracuda, slender, elongated fish of tropical seas. Barracudas have long snouts and projecting lower jaws armed with large, sharp-edged teeth. They are ferocious, striking at anything that gleams, an...