The Louisiana pine snake is internationally listed as endangered, and federally it’s been proposed threatened. A Black pine snake may sound like a rattlesnake when it is threatened but don't worry, it is not venomous. The browner ones seem to retain a little of their juvenile pattern and get blacker the more anteriorly you look. These snakes have blotches that are dark towards the front of the body but may fade to brown near and on the tail. The northern pine snake is a relatively large (5-7 feet or 122-172 cm) black and dull white to yellowish or light gray snake. This snake is primarily diurnal, though some are also active at night. The world's most endangered snakes Click image to enlarge The IUCN Red List of Threatened Species evaluates the conservation status of plant and animal species. The list is based on scientific assessment of an organism's status by experts. The Louisiana pine snake is indigenous to west-central Louisiana and East Texas, where it relies strongly on Baird's pocket gophers for its burrow system and as a food source. Conservation status of the world's snakes Fish and Wildlife Service (Service), determine threatened species status under the Endangered Species Act of 1973 (Act), as amended, for the black pinesnake (Pituophis melanoleucus lodingi), a reptile subspecies from Alabama, Louisiana, and Mississippi. The Louisiana pine snake (Pituophis ruthveni) is a species of large, nonvenomous constrictor of the family Colubridae. The loss of longleaf pine forests has reduced the amount of habitat available for Louisiana pine snakes, and fire suppression is also a problem. Florida Threatened and Endangered Reptiles including Atlantic Salt Marsh Water Snake, Florida Pine Snake, Short Tailed Snake, Florida Brown Snake, Rim Rock Crown Snake, Florida Ribbon Snake… The northern pine snake has a black or dark brown pattern along its back. There are four subspecies of pine snake: the northern pine snake, the black pine snake, the Florida pine snake and the bull snake. They range in coloration from an overall black and brown banded snake to a nearly jet-black animal. This powerful snake is notable because of its large eggs and small clutch sizes. Its belly is white, with rows of black dots along either side. We, the U.S. The adult black pine is the only melanistic pine snake.