Big Bend Patch-nosed Snake
(Salvadora deserticola)
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Big Bend Patch-nosed Snake (Salvadora deserticola) |
Color Photograph: © Corel Corp.
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Salvadora hexalepis The distribution of the Western Patch-nosed Snake is almost completely separate (allopatric) from that of the Big Bend Patch-nosed Snake. The Big Bend Patch-nosed Snake has 9 upper labial scales, but two of them reach the eye, not 1 or 0 as in the Western Patch-nose Snake.
Salvadora grahamiae The Mountain Patch-nose Snake has only 8 upper labial scales.
Phyllorhynchus browni The species of the genus Phyllorhynchus have a enlarged rostral scale separate and not appressed to the snout. Big Bend Patch-nosed Snake (Salvadora deserticola) Identification: Snake 22 to 40 inches in length. Head with a triangular, enlarged rostral scaling curved backward and not free from the snout. A lined snake. Dorsum with a brown to brown-orange stripe margined below by a dark black or brown stripe. In addition there is usually a narrow dark line just below the major dark stripe on the fourth scale row. Head with 9 upper labial scales, two reaching the eye. Scales smooth and anal plate divided. Geographical Variation: None. Range (see map on left): The species occurs in southeastern Arizona, western New Mexico and southward into the Big Bend region of southwestern Texas. It also occurs in adjacent parts of northern Mexico. Habitat: The Big Bend Patch-nosed Snake occurs in a variety of desert habitats including areas dominated by creosote or mesquite. Food: Lizards. Behavior: This species is active during the day. It moves rapidly. Reproduction: The clutch consists of 5 to 10 eggs laid over the summer months.
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Big Bend Patch-nosed Snake
Similar Species: Western Patch-nosed Snake (Salvadora hexalepis) Mountain Patch-nosed Snake (Salvadora grahamiae) Saddled Leaf-nosed Snake (Phyllorhynchus browni)
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Similar Species |
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