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13 Topic Pages Found in Animals & Veterinary Medicine and starting with the letter E
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Open Eagle
Eagle

common name for large predatory birds of the family Accipitridae ( hawk family), found in all parts of the world. Eagles are similar to the buteos, or

Open earthworm
earthworm

terrestrial, cylindrical segmented worm of the class Oligochaeta. There are 2,200 earthworm species, found all over the world except in arid and

Open Echidna
Echidna

( ĭkĭd'nə ) or spiny anteater, animal of the order Monotremata, the egg-laying mammals. A short-legged, grayish brown animal, the echidna is covered

Echinodermata

( əkì´´nōdûr'mətə ) [Gr.,=spiny skin], phylum of exclusively marine bottom-dwelling invertebrates having external skeletons of calcareous plates just

Open eel
eel

common name for any fish in the order Anguilliformes, and characterized by a long snakelike body covered with minute scales embedded in the skin. Eels

Open Elephants
Elephants

Large grazing mammal with thick, grey wrinkled skin, large ears, a long flexible trunk, and huge curving tusks. There are fingerlike projections at

Open elephant seal
elephant seal

or sea elephant, a true seal of the genus Mirounga. It is the largest of the fin-footed mammals, or pinnipeds, exceeding the walrus in size. There is

Open Elk
Elk

( wŏp'ĭtē ), large North American deer, Cervus canadensis, closely related to the Old World red deer. It is commonly called elk in America although

Open Endangered species
Endangered species

any plant or animal species whose ability to survive and reproduce has been jeopardized by human activities. In 1999 the U.S. government, in

Open endocrine system
endocrine system

( ĕn'dəkrĭn ), body control system composed of a group of glands that maintain a stable internal environment by producing chemical regulatory