Columbia Encyclopedia

Search results

500 results found

squirrel

(Encyclopedia)squirrel, name for small or medium-sized rodents of the family Sciuridae, found throughout the world except in Australia, Madagascar, and the polar regions; it is applied especially to the tree-living...

flying squirrel

(Encyclopedia)flying squirrel, name for certain nocturnal tree squirrels adapted for gliding; they do not actually fly. Most are found in Asia, but one species of the genus Pteromys extends into SE Europe and the t...

ground squirrel

(Encyclopedia)ground squirrel, name applied to certain terrestrial rodents of the squirrel family. In North America the name refers to members of the genus Citellus and sometimes to the closely related genera Tamia...

tree shrew

(Encyclopedia)tree shrew, small, arboreal mammal of the family Tupaiidae, found in S Asia. The 17 known species of tree shrews are classified as the order Tupaioidea or Scandentia. Tree shrews superficially resembl...

tree

(Encyclopedia)CE5 Types of trees tree, perennial woody plant with a single main stem (the trunk, or bole) from which branches and twigs extend to form a characteristic crown of foliage. In general, a tree diffe...

Yggdrasill

(Encyclopedia)Yggdrasill ĭgˈdrəsĭl, yo͞ogˈ– [key], in Norse mythology, the great tree of the world. Its branches and roots extended through all the universe—the heavens, the earth, and the underworld. At ...

prairie dog

(Encyclopedia)prairie dog, short-tailed, ground-living rodent, genus Cynomys, of the squirrel family, closely related to the ground squirrels, chipmunks, and marmots. There are several species, found in the W Unite...

phalanger

(Encyclopedia)phalanger fəlănˈjər [key], any of the numerous and varied marsupials, or pouched mammals, of the family Phalangeridae, found in Australia, New Guinea, and adjacent islands. Many are somewhat like ...

dwarf tree

(Encyclopedia)dwarf tree, in horticultural practice, a tree artificially kept to a smaller size than is normal for average members of the species. This is usually accomplished either by limiting its root space and ...

Browse by Subject