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Plains Black-Headed Snake
A unique-looking, small snake that is rarely seen, but is fairly common on the eastern side of the state.
About This Species
The plains black-headed snake is a secretive species that often hides in leaf litter or burrows during the day and is active at night. While they are venomous, they are considered harmless to humans.
More Information:
Physical Characteristics
Upper scales smooth (unkeeled), uniformly light brown; dark cap extends 3–5 scale lengths beyond rearmost large scales on top of head; rear edge of dark cap usually somewhat pointed; belly pink or orange; anal scale divided; maximum total length about 39 cm (15.4 inches).
Range
Known from southeastern Colorado, the Republican River drainage in northeastern Colorado, and the eastern margin of the Front Range. Secretive, usually difficult to find, but locally common.
Habitat
Flat plains grassland, sandhills, mountain foothills, and rocky canyons; sometimes can be found in old rubbish dumps. A terrestrial and fossorial species that during daylight hours can be found beneath rocks, wood, dried cow dung, or other debris; in yucca plants; and in rotting logs near streams.
Reproduction
Females lay eggs, usually two to three, probably in late June or July.