University of Nebraska
University of Nebraska: Black Rat Snake
Similar to the Fox Snake, the young Black Rat Snake kills by constriction. This site by the University of Nebraska includes description, habitat, diet, and size of the Black Rat Snake.
Canadian Museum of Nature
Canadian Museum of Nature: Gray Ratsnake
Previously known as black ratsnakes, the gray ratsnake is one of the largest snakes found in Canada. Described are its characteristics, young and food.
Curated OER
University of Nebraska: Black Rat Snake
Similar to the Fox Snake, the young Black Rat Snake kills by constriction. This site by the University of Nebraska includes description, habitat, diet, and size of the Black Rat Snake.