LEPTODEIRA SEPTENTRIONALIS PDF

Bartlett, R. Bezy, R. Enderson, A. Rosen, D. The herpetofauna of Sonora, Mexico, with comparisons to adjoining states.

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Divided anal plate. Smooth dorsal scales some with apical pits , and dorsal scale rows at midbody. The cat-eyed snake is characterized by its bulging and large, golden eyes with vertical elliptical pupils, which allude to its nocturnal behavior.

Cat-eyed snakes also have a large, broad head, in comparison with their narrow neck and body. Coloration: A dorsal ground color of cream to dark tan, with a series of dark brown or black crossbands that saddle the body, not intruding onto the belly. The chin and throat are pale colored, deepening to orange at midbody and a salmon under the tail.

The belly scales also have a darker posterior border. Size: Cat-eyed snakes, as adults measuring Behavior: Hunting at night or in the extremely dense foliage of south Texas, L.

This is a mildly venomous rear-fanged species that envenomates its prey by way of enlarged teeth found in the rear of the mouth; the venom is used for immobilization of prey items, not to kill them. Leptodeira are known to be semiarboreal as well, searching for its prey in the trees. As much of its habitat is disappearing from south Texas, L. Reproduction: Females lay clutches of eggs, average of 7 eggs, in the spring with an incubation period of two and a half months.

Hatchlings are typically cm in upon emergence from their eggs. Habitat: The cat-eyed snake is found only in the extreme southern portions of the state in thornscrub and subtropical habitats. Conservation Status: As a consequence of its dwindling habitat, L. Texas Distribution: The only subspecies of Leptodeira found in the state, L.

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Leptodeira septentrionalis

Appearance[ edit ] Head of a northern cat-eyed showing a dark brown line beside a bulging eye taken at Golfo Dulce Retreat , Golfo Dulce , Costa Rica The northern cat eye is medium size up to 1 m. They have smooth scales, with dark brown line or spot beside the eye and dark brown blotches which can fuse to form a zigzag running down their backs, these spots may vary in pattern geographically. Its head is distinctly wider than its neck and it has large bulging eyes with reddish irises and light brown elliptical pupils. At night it hunts for frogs and their eggs, it is particularly known for feeding on those of the red-eyed tree frog.

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Leptodeira

Campbell recognized Leptodeira populations from southern Mexico to Costa Rica as a separate species, L. Habitat 6 Leptodeira annulata can be found in a multitude of environments ranging from semi-arid scrub to rain forests. In Mexico, these snakes have been documented at elevations of up to 1, m. Range elevation: 1, high m. Habitat Regions: temperate ; tropical ; terrestrial Terrestrial Biomes: desert or dune ; rainforest ; scrub forest Aquatic Biomes: lakes and ponds; rivers and streams; temporary pools Morphology 7 Leptodeira annulata is characterized by a head that is much wider than its neck and large eyes with vertical pupils that give the common name, cat-eyed snakes. Above, these snakes are tan, buff, pale gold, or pale orange yellow with a distinctive pattern of large to medium-sized, brown, dorsal blotches or "saddles". Body coloration and size of dorsal spots may vary geographically.

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Species was not fully specified, species name missing!

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