Snake Species Dinosaur species

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Tantilla planiceps - Western Black-headed Snake

Tantilla planiceps - Western Black-headed Snake - snake species | gveli | გველი

Tantilla planiceps - Western Black-headed Snake

Mildly Venomous

This snake uses a mild form of venom to immobilize its prey. This venom is considered harmless to humans.

Size

One of the smallest snakes in California, about 3.5 - 15.5 inches long (9 - 40 cm).

Appearance

A small, thin, snake with a flat head and smooth, shiny scales. The top of the head is dark brown or black, with a faint light collar between the dark cap and the body color which is brownish or beige and unmarked. This collar may or may not have a border of dark dots. The dark color usually drops below the mouthline behind the corner of the jaw.The belly is whitish with a reddish stripe that does not extend all the way to the edge of the ventral scales.

Behavior

Secretive -spends much of its time underground or underneath surface objects. A good burrower, able to disappear quickly into loose soil. Occasionally found active on the surface at night on roads, especially after rains.

Diet

Millipedes, centipedes, and insects.

Reproduction

Not well understood. Eggs are laid, probably in May and June.

Range

The known range of this snake in California and elsewhere is spotty due to its secretive nature. Its range is probably less disjointed than the records show. It occurs along the coast of southern California, east and north to the desert side of the mountains as far as Whitewater Canon, and north through the San Joaquin Valley to the San Francisco Bay where it has been recorded just south of San Jose and east of Livermore. Occurs in disjointed locations in Baja California south to the cape. From near sea level to about 4,000 ft. (1,219 m).

Habitat

Occurs in grassland, chaparral, oak and oak-pine woodland, deserts. Along the rocky edges of streas and washes. Often found beneath rocks, plant debris, and other surface cover. Conservation Issues (Conservation Status) None.

Nerodia taxispilota - Brown Watersnake | Snake Species Pituophis catenifer annectens - San Diego Gopher Snake | Snake Species Diadophis punctatus edwardsii - Northern Ring-necked Snake | Snake Species
Diadophis punctatus edwardsii - Northern Ring-necked Snake | Snake Species  COACHWHIP  Coluber flagellum | Snake Species Coluber flagellum flagellum - Eastern Coachwhip | Snake Species
BROWN VINESNAKE   Oxybelis aeneus | Snake Species MASSASAUGA  Sistrurus catenatus | Snake Species Coluber constrictor flaviventris - Eastern Yellow-bellied Racer | Snake Species
Charina bottae  - Northern Rubber Boa | Snake Species Crotalus mitchellii pyrrhus  - Southwestern Speckled Rattlesnake | Snake Species Rhinocheilus lecontei  - Long-nosed Snake | Snake Species
Thamnophis sirtalis tetrataenia - San Francisco Gartersnake | Snake Species  SPOTTED LEAF-NOSED SNAKE  <br />   Phyllorhynchus decurtatus | Snake Species Salvadora grahamiae grahamiae - Mountain Patch-nosed Snake | Snake Species
SONORAN LYRESNAKE <br /> Trimorphodon lambda | Snake Species Nerodia erythrogaster  - Plain-bellied Watersnake | Snake Species Thamnophis elegans terrestris - Coast Gartersnake | Snake Species
Arizona elegans occidentalis - California Glossy Snake | Snake Species Coluber fuliginosus - Baja California Coachwhip | Snake Species Thamnophis elegans elegans - Mountain Gartersnake | Snake Species

Copyright © 2012