(Encyclopedia) sagebrush, name for several species of Artemisia, deciduous shrubs of the family Asteraceae (aster family), particularly abundant in arid regions of W North America. The common…
(Encyclopedia) San Jose scale, common name for a scale insect, Aspidiotus perniciosus, introduced from China into San Jose, Calif., c.1870 on nursery stock. The insect has since spread throughout…
(Encyclopedia) terbiumterbiumtûrˈbēəm [key] [from Ytterby, a village in Sweden], metallic chemical element; symbol Tb; at. no. 65; at. wt. 158.92535; m.p. 1,356℃; b.p. 3,123℃; sp. gr. about 8.25;…
(Encyclopedia) thick-knee, common name for terrestrial, Old World birds in the family Burhinidae. The name derives from the bird's thickened tarsal joints. Thick-knees are shy, solitary birds. They…
(Encyclopedia) thymus glandthymus glandthīˈməs [key], mass of glandular tissue located in the neck or chest of most vertebrate animals. In humans, the thymus is a soft, flattened, pinkish-gray organ…
(Encyclopedia) todytodytōˈdē [key], common name for small (3–4 in./9–10 cm) West Indian birds of the family Todidae, comprising the single genus Todus. Bright green above with red throats, they are…
(Encyclopedia) crane, large wading bird found in marshes in the Northern Hemisphere and in Africa. Although sometimes confused with herons, cranes are more closely related to rails and limpkins.…
(Encyclopedia) chinch bug, small North American bug, Blissus leucopterus, of the seed bug family. It feeds on small grains, corn, and other grasses, sucking the plant juices and doing much damage to…
(Encyclopedia) parakeet or parrakeet, common name for a widespread group of small parrots, native to the Indo-Malayan region and popular as cage birds. Parakeets have long, pointed tails, unlike the…
(Encyclopedia) honey badger or ratelhoney badgerrātˈəl [key], carnivore, Mellivora capensis, of the forest and brush country of Africa, the Middle East, and India; it is a member of the badger and…