The eastern racer, or North American racer (Coluber constrictor), is a species of nonvenomous snake in the family Colubridae. The species is endemic to North America and Central America. Eleven subspecies , including the nominotypical subspecies , are recognized, which as a group are commonly referred to as the eastern racers.

Colubridae (/ k ə ˈ l uː b r ɪ d iː /, commonly known as colubrids / ˈ k ɒ lj ʊ b r ɪ d z /, from Latin: coluber, 'snake') is a family of snakes. With 249 genera, [2] it is the largest snake family. The earliest fossil species of the family date back to the Late …

北部黑游蛇（Coluber constrictor constrictor）的頭部鏡頭 北部黑游蛇（Coluber constrictor constrictor） Linnaeus, 1758 - northern black racer; Coluber constrictor anthicus (Cope, 1862) - buttermilk racer; Coluber constrictor etheridgei Wilson （ 法语 ： Larry David Wilson ）, 1970 - tan racer; Coluber constrictor flaviventris Say, 1823 - eastern yellow-bellied racer

2024年4月25日 · Learn about the eastern racer (Coluber constrictor) – its color, size, range, habitat, diet, predators, lifespan, reproduction, and if it is poisonous

游蛇科（學名：Colubridae），又稱黄颔蛇科，是爬蟲綱 有鱗目 蛇亞目下的一個蛇科，是眾多蛇科中擁有最多物種的一個科，數量幾乎佔據世上過半的總蛇種。 游蛇科下的蛇類特性較為普通，亦較為常見。 大部分游蛇科下的蛇種都是無毒的（又或者含有輕量而且對人體不構成傷害的毒素），因 …

North American Racer (Coluber constrictor) is a Special Concern species and a Protected Wild Animal. Racers prefer moderate to dry sand prairies and bluff prairies. They are well adapted to open, sunny, or savanna-like conditions.

Coluber constrictor flaviventris, commonly known as the eastern yellow-bellied racer, is a subspecies of the eastern racer, a non-venomous colubrid snake. It is endemic to North America. [3]

Coluber constrictor is a mid-level predator, eating many kinds of smaller animals, but in turn eaten by larger predators. Economic Importance for Humans: Positive. Racers are beneficial to humans in that they destroy rodent and insect pests (Harding, 1997). (Harding, 1997) Positive Impacts; controls pest population; Economic Importance for ...

Coluber constrictor, commonly called the eastern racer is a nonvenomous snake species. The species contains eleven subspecies that can be found throughout the United States as well as in Hawaii. Alaska is the only state in the U.S. that doesn’t have a population of racers.

2024年5月27日 · The eastern racer snake (Coluber constrictor) is a species of 11 alternately-named subspecies. They belong to the family Colibrudae and class Reptilia in the order Squamata. “Coluber” is the Latin term for “snake.” “Constrictor” refers to the snake’s actions when hunting and eating its prey.