Black snake
Black´ snake`
(snāk)| n. | 1. | (Zool.) A snake of a black color, of which two species are common in the United States, the Bascanium constrictor, or racer, sometimes six feet long, and the Scotophis Alleghaniensis, seven or eight feet long. |
| 单词 | black snake | |||
| 释义 | Black snakeBlack´ snake`(snāk)
black snakeblack snake,name for several snakes, not all closely related, that are black in color. In the United States the name is applied chiefly to the black racerracer,name for several related swift, slender snakes, especially those of the genus Coluber. All of the racers are nonpoisonous, nonconstricting, day-active snakes. The black racer, C. ..... Click the link for more information. and to the black rat snake (Elaphe obsoleta), both partly arboreal in their habits. The black rat snake, also called pilot black snake and mountain black snake, is found in the NE United States. Like other rat snakes (Elaphe species), it is a constrictor and a valuable destroyer of rats and mice. It has shiny, slightly keeled scales and reaches a length of 8 ft (2.4 m). The poisonous Australian black snake belongs to the cobra family and has a hood. The North American black snakes are classified in the phylum ChordataChordata , phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals. ..... Click the link for more information. , subphylum Vertebrata, class Reptilia, order Squamata, family Colubridae. |
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