Crotalus pusillus

Crotalus pusillus is a species of rattlesnakes (Crotalus ) within the vipers ( Viperidae ). Its distribution area is limited to a few western mountain regions in southern Jalisco and central to Michoacin in Mexico.

Features

Crotalus pusillus heard with a body length of about 50 centimeters in maximum of the smallest species of rattlesnakes. She has a gray to gray-brown ground color with a series of dark spots on the back, the interstices of which are reddish brown. On the flanks of the snake can have more dark spots. From the eyes of a very broad, black or dark gray ribbon to the corners of the mouth pulls. Above and below this band to pull smaller, light gray bands that enhance the contrast.

Distribution and habitat

The range of the snake is the western limited to a few mountainous regions at altitudes 1500-2400 m in the southern Jalisco and central to Michoacin in Mexico. She holds on, especially in sparse areas, for example in forest clearings of pine-oak forests of the region.

Snake venom

On the specific composition of the poison effect and there is no information of this type.

Threats and conservation

Crotalus pusillus is classified as endangered ( EN B1ab ( iii )) in the IUCN Red List. The main hazard due to the loss of habitat is considered due to the agricultural use and urbanization. However, more detailed information on the population development are not known.

Documents

Cited evidence

The information in this article originate for the most part the limits given in literature sources, in addition, the following sources are cited: