Both are nonvenomous, with white or grayish bellies, and eat mostly rodents and other small animals. The vast majority are not dangerous, but some species pose a risk to humans. Black patch on top of head and broad black band across neck, 4 and 12 evenly spaced black bands from nape to tail-tip, pattern may be absent for some individuals. These snakes are active both during the day and at night and eat worms, frogs, toads, fish, tadpoles and slugs. A medium-sized, heavy-bodied, dark-colored, semiaquatic snake with a plain yellow belly. Garter snakes tend to have dark gray to black bodies with three light yellow to white stripes running down their length. Ringed Brown Snake Pseudonaja modesta Total Length: Up to 60 cm Distinguishing features: Pale grey to reddish brown. They have been recorded stirring up substrate, possibly to disturb prey. The Cottonmouth, or Water Moccasin, is much thicker than the Black Racer. As its name suggests, the Ring-Necked Snake, or "Diadophis punctatus punctatus," also has a ring around its neck; this ring is also yellow or orange. Both are nonvenomous, with white or grayish bellies, and eat mostly rodents and other small animals. It is mainly gray, greenish gray, or brownish black, with little or no pattern. Biology: The Black Racer snake, known as Coluber constrictor priapus, is one of the most common types of nonvenomous snakes in the southern United States. It's also much slower, and has a large head. If you’ve got black snakes around your house, chances are they’re one of two types: North American rat snakes or black racers. The physical appearance of a black racer includes having a black dorsal side, a grey belly and a white him. Most of all, it's fast! This species is very similar in appearance to the Rough Scaled snake which is highly venomous and has overlapping distribution. The Black Racer is usually 3' or 4' long, a little under 1" in diameter, and it has a light gray, almost white, belly. Some have longitudinal stripes, and others are banded. Orange-brown iris… Ringed Brown Snake Pseudonaja modesta Total Length: Up to 60 cm Distinguishing features: Pale grey to reddish brown. A few unusual snakes have checkered bodies and a blueish or reddish tinge. Black patch on top of head and broad black band across neck, 4 and 12 evenly spaced black bands from nape to tail-tip, pattern may be … Black rat snakes mostly eat small rodents, such as mice, rats, moles and chipmunks. Feeding. These snakes have a black, or dark grey back, with smooth scales and a yellow or bright orange belly. One of the telling characteristics of this subspecies of snake is that they are very active during daytime. Young black rat snakes, called hatchlings, are light gray with black blotches along the back. Fox snakes are nonvenomous snakes that are highly beneficial in agricultural areas since they consume a large number of rodent pests. Answer (1 of 9): A Southern or northern Ringneck snake are small, measuring only about 25" 38 cm, which are blackish grey in colour. If you’ve got black snakes around your house, chances are they’re one of two types: North American rat snakes or black racers. The belly is plain yellow or occasionally orange. The belly often has a row of black spots. The black rat snake grows to three to six feet in length. There are many black and yellow striped snake in North America. The Keelback is one of the only native animals that is able to eat Cane Toads without ill effect. As red-bellied black snakes grow and mature, they continue to … Blue-bellied Black Snakes are predominantly a shiny bluish- or brownish-black, with a dark bluish-grey or black belly.