Eastern hognose snake

Description

Heterodon platirhinos, commonly known as the eastern hog-nosed snake, spreading adder, or deaf adder, is a colubrid species endemic to North America. No subspecies are currently recognized. The average adult measures 71 cm (28 in) in total length (body + tail), with females being larger than males. The maximum recorded total length is 116 cm (46 in). The most distinguishing feature is the upturned snout, used for digging in sandy soils. The color pattern is extremely variable. It can be red, green, orange, brown, gray to black, or any combination thereof depending on locality. They can be blotched, checkered, or patternless. The belly tends to be a solid gray, yellow, or cream-colored. In this species the underside of the tail is lighter than the belly. Although H. platirhinos is rear-fanged, it is often considered nonvenomous because it is not harmful to humans. Heterodon means "different tooth", which refers to the enlarged teeth at the rear of the upper jaw. These teeth inject a mild amphibian-specific venom into prey. Bitten humans who are allergic to the saliva have been known to experience local swelling, but no human deaths have been documented. Eastern hog-nosed snake, spreading adder, spread'em outer, hog-nosed snake, adder, bastard rattlesnake, black adder, black blowing viper, black hog-nosed snake, black viper snake, blauser, blower, blowing adder, blowing snake, blow(ing) viper, blow snake, buckwheat-nose snake, calico snake, checkered adder, checquered adder, chunk head, common hog-nosed snake, common spreading adder, deaf adder, eastern hognose snake, flat-head, flat-head(ed) adder, hay-nose snake, hissing adder, hissing snake, hog-nosed adder, hog-nosed rattler, hog-nose snake, hog-nosed viper, hissing viper, (mountain) moccasin, North American adder, North American hog-nosed snake, pilot, poison viper, puff(ing) adder, red snake, rock adder, rossel bastard, sand adder, sand viper, spotted (spreading) adder, spread nelly, spread-head moccasin, spread-head snake, spread-head viper, flat-head adder (spreading) viper. Eastern hognose snakes mate in April and May. The females, which lay 8 - 40 eggs (average about 25) in June or early July, do not take care of the eggs or young. The eggs, which measure about 33 mm × 23 mm (1+1⁄3 in × 1 in), hatch after about 60 days, from late July to September. The hatchlings are 16.5–21 cm (6.5–8.3 in) long.