Northern water snake The belly also varies in color. It can be white, yellow, or gray. Usually it also has reddish or black crescents. The northern water snake is nonvenomous and harmless to humans, but superficially resembles the venomous cottonmouth and is often killed unnecessarily as a result of this mistaken identity. The two can be easily distinguished by morphological traits: the water snake has a longer, more slender body and a flattened head the same width as the neck, round pupils, and no heat-sensing pits. The cottonmouth has a fatter body, a wedge-shaped head with prominent venom glands that are wider than
Forest vine snake is known to eat small birds. "T. kirtlandii" is oviparous. Forest vine snake The forest vine snake ("Thelotornis kirtlandii" ), also known commonly as the twig snake and the bird snake, is a species of venomous snake in the family Colubridae. The species is endemic to Africa. The specific name, "kirtlandii", is in honor of American naturalist Jared Potter Kirtland. "T. kirtlandii" is found in Sub-Saharan Africa, south to a latitude of about 17° S. It has been recorded from Angola, Benin, Cameroon, Central African Republic, Congo, DR Congo, Equatorial Guinea, Gabon, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Kenya, Liberia, Nigeria,