(Encyclopedia) titmouse, common name for members of the Paridae, a family of passerine birds, which includes the tits, titmice, and chickadees. They are small, active birds with short, pointed bills…
(Encyclopedia) thalliumthalliumthălˈēəm [key], metallic chemical element; symbol Tl; at. no. 81; interval in which at. wt. ranges 204.382–204.385; m.p. 303.5℃; b.p. about 1,457℃; sp. gr. 11.85 at 20…
(Encyclopedia) puffer or pufferfish, common name for some tropical marine fish of the family Tetraodontidae. The puffers and their allies, including the boxfish, the porcupinefish, the triggerfish,…
(Encyclopedia) nutrianutrian&oomacr;ˈtrēə [key] or coypucoypukoiˈp&oomacr; [key], aquatic rodent, Myocastor coypus, of South America, introduced in the S United States for its fur, which is…
(Encyclopedia) paddlefish, large freshwater fish, Polyodon spathula, of the Mississippi valley, also called spoonbill or duckbill and named for its flattened, paddle-shaped snout. The largest…
(Encyclopedia) walking stick or stick insect, names applied to extremely longbodied, slow-moving, herbivorous insects, forming a single family in the order Phasmatodea. Walking sticks have green,…
(Encyclopedia) armyworm, larva, or caterpillar, of a moth, Pseudaletia unipuncta or Mythimna unipuncta, found in North America E of the Rocky Mts.; also known as the common, or true, armyworm. When…
(Encyclopedia) killifish, any of more than a thousand species of small fish of the several families of the order Cyprinodontiformes (toothed minnows or toothed carps), a group that includes also 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…
(Encyclopedia) guillemotguillemotgĭlˈəmŏtˌ [key], northern sea bird, genus Cephas, of the auk family. The black guillemot, or trystie, Cephus grylle, is about 13 in. (33 cm) long and is very striking…
