Crotalus oreganus abyssus
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| Crotalus oreganus abyssus Klauber, 1930 |
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Common names: Grand Canyon rattlesnake.[2]
Crotalus oreganus abyssus is a venomous rattlesnake subspecies[2] found Arizona.
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[edit] Description
This is a medium to large (16" to 54") rattlesnake with dark blotches on a variety of base colors ranging from reddish, pink, yellow/green, light tan, to gray. The blotches usually become bands near the tail. The young usually have more prominent blotches and facial markings than the adults. Some adults Have no body markings. The rostral scale usually comes into contact with more than 2 internasal scales.
[edit] Geographic range
Found in northwestern and north-central Arizona.
[edit] Habitat
The snake is found in a variety of habitats, including grassland, Great Basin Desert scrubland, bottoms in the Grand Canyon, rolling hills and bajadas in pinion-juniper woodland, and pine forests.
[edit] Behavior
It is primarily diurnal but can be active around the clock when conditions are favorable.
[edit] Feeding
It feeds on squirrels, mice, lizards, and birds.
[edit] Cited references
- ^ McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, vol. 1. Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).
- ^ a b Crotalus oreganus abyssus (TSN 683061). Integrated Taxonomic Information System. Accessed on 28 November 2006.
[edit] External links
- Species Crotalus oreganus at the EMBL Reptile Database
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