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Sceloporus torquatus mikeprestoni

Adult Male, 10,500′, Tamaulipas, Mexico

Venter of Adult Male

MIKE PRESTON’S CREVICE SWIFT
Sceloporus torquatus – Wiegmann 1828
Sceloporus torquatus mikeprestoni – Smith & Alvarez 1974

IDENTIFICATION:

DISTRIBUTION:

HABITAT:

Pine Meadow Habitat, 10,050′, Tamaulipas, Mexico

Forest, 10,500′, Tamaulipas, Mexico

Rocky Ridgeline Habitat, 10, 400′, Tamaulipas, Mexico

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Sceloporus torquatus madrensis

Adult Female, 4,800′, Tamaulipas, Mexico

Juvenile, 4,700′, Tamaulipas, Mexico

SIERRA MADRE CREVICE SWIFT
Sceloporus torquatus – Wiegmann 1828
Sceloporus torquatus madrensis – Olson 1986

IDENTIFICATION:

DISTRIBUTION:

HABITAT:

Cloud Forest Clearing Habitat, 4,700′, Tamaulipas, Mexico

Rocky Clearing Habitat (Cloud Forest), 4,800′, Tamaulipas, Mexico

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Sceloporus spinosus spinosus

Adult, 4,800′, San Luis Potosi, Mexico

Adult, 5,000′, Tamaulipas, Mexico

Adult, 5,000′, San Luis Potosi, Mexico

Juvenile, 4,200′, Tamaulipas, Mexico

MEXICAN SPINY LIZARD
Sceloporus spinosus – Weigmann 1828
Sceloporus spinosus spinosus – Weigmann 1828

IDENTIFICATION:

DISTRIBUTION:

HABITAT:

High Desert Habitat, 4,200′, Tamaulipas, Mexico

Habitat, 5,200′, Tamaulipas, Mexico

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Sceloporus minor

Adult Male, 5,000′, Tamaulipas, Mexico

COPE’S MOUNTAIN SPINY LIZARD
Sceloporus minor – Cope 1885

IDENTIFICATION:

DISTRIBUTION:

HABITAT:

High Desert Habitat, 4,200′, Tamaulipas, Mexico

Habitat, 1,400′, Tamaulipas, Mexico

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Sceloporus immucronatus

Subadult Pair, 4,500′, Tamaulipas, Mexico

Male, 4,500′, Tamaulipas, Mexico

Venter of Adult Male

SIERRA MADRE ORIENTAL BLUE SPINY LIZARD
Sceloporus immucronatus – Smith 1936

IDENTIFICATION:

DISTRIBUTION:

HABITAT:

Habitat, 4,500′, Tamaulipas, Mexico

Limestone Habitat, 6,000′, San Luis Potosi, Mexico

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Sceloporus chaneyi

Female, 10,000′, Tamaulipas, Mexico

CHANEY’S AGAVE LIZARD
Sceloporus chaneyi – Liner & Dixon 1992

IDENTIFICATION:

DISTRIBUTION:

HABITAT:

Pine Meadow Habitat, 10,050′, Tamaulipas, Mexico

Forest, 10,500′, Tamaulipas, Mexico

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Pituophis deppei jani

Juvenile, 5,000′, Tamaulipas, Mexico

Adult, DOR, 5,000′, Tamaulipas, Mexico

JAN’S MEXICAN BULLSNAKE
Pituophis deppei – Dumeril 1853
Pituophis deppei jani – Cope 1860

IDENTIFICATION:

DISTRIBUTION:

HABITAT:

Habitat, 5,200′, Tamaulipas, Mexico

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Coleonyx variegatus peninsularis

Adult, 800′, Baja California Sur, Mexico

Subadult abbotti x peninsularis, 200′, Baja California Sur, Mexico

SAN LUCAN BANDED GECKO
Coleonyx variegatus – Baird 1859
Coleonyx variegatus peninsularis – Klauber 1945

IDENTIFICATION:

DISTRIBUTION:

HABITAT:

Rocky oceanside habitat, Baja California Sur, Mexico

Habitat, 1,000′, Bja California Sur, Mexico

Tropical Thornscrub habitat, 1000′, Baja California Sur, Mexico

Boulders in Tropical Thornscrub habitat, 400′, Baja California Sur, Mexico

Same locality as [...]

Coleonyx variegatus abbotti

Adult, 900′, Baja California, Mexico

Adult, 1,500′, Baja California, Mexico

Subadult abbotti x peninsularis, 200′, Baja California Sur, Mexico

SAN DIEGO BANDED GECKO
Coleonyx variegatus – Baird 1859
Coleonyx variegatus abbotti – Klauber 1945

IDENTIFICATION:

DISTRIBUTION:

HABITAT:

Desert habitat, 1,500′, Baja California, Mexico

Bajada Habitat, 900′, Baja California

Rocky Habitat, 1,200′, Baja California, Mexico

Rocky arroyo, Isla Angel de la Guarda, Baja California, Mexico

Rocky canyon habitat, Isla [...]

Scaphiopus couchii

Adult, Typical Coloration, 1,800′, Pima County, Arizona

Adult, Abnormal Coloration, 1,800′, Pima County, Arizona

Adult, 3,000′, Santa Cruz Co., Arizona

Adult, 1,800′, Sonora, Mexico

Metamorphs, 400′, Baja California Sur, Mexico

COUCH’S SPADEFOOT
Scaphiopus couchii – Baird 1854

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Man-Made Oviposition Site, 2,300′, Sonora-Arizona Border

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Scaphiopus couchii is an abundant species throughout it’s range and I have seen it frequently in the states [...]

Salvadora hexalepis klauberi

DOR Juvenile, 1,500′, Baja California, Mexico

BAJA CALIFORNIA PATCH-NOSED SNAKE
Salvadora hexalepis – Cope 1866
Salvadora hexalepis klauberi – Bogert 1945

IDENTIFICATION:

DISTRIBUTION:

HABITAT:

Habitat, 1,000′, Baja California Sur, Mexico

Habitat, 50′, Baja California Sur, Mexico

Habitat, 50′, Baja California, Mexico

Tropical Thornscrub habitat, 1000′, Baja California Sur, Mexico

Canyon Riparian Habitat, 800′, Baja California Sur, Mexico

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Phyllorhynchus decurtatus

Juvenile, 175′, Baja California, Mexico

Close-Up of Head

WESTERN LEAF-NOSED SNAKE
Phyllorhynchus decurtatus – Cope 1868

IDENTIFICATION:

DISTRIBUTION:

HABITAT:

Boojum Forest Habitat, 500′, Baja California, Mexico

Rocky Canyon Habitat, 150′, Baja California, Mexico

Habitat, 50′, Baja California Sur, Mexico

Habitat, 50′, Baja California, Mexico

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Pituophis vertebralis bimaris

Adult, 75′, Baja California, Mexico

DOR Juvenile, 500′, Baja California, Mexico

CENTRAL BAJA CALIFORNIA GOPHER SNAKE
Pituophis vertebralis – Blainville 1835
Pituophis vertebralis bimaris – Klauber 1946

IDENTIFICATION:

DISTRIBUTION:

HABITAT:

Rocky Habitat, 1,200′, Baja California, Mexico

Habitat, 20′, Baja California, Mexico

Rocky oceanside habitat, Baja California Sur, Mexico

Gulf Shore Habitat, Baja California Sur, Mexico

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Lichanura trivirgata saslowi

Adult, 75′, Baja California, Mexico

MID-PENINSULA ROSY BOA
Lichanura trivirgata – Cope 1861
Lichanura trivirgata saslowi – Spiteri 1987

IDENTIFICATION:

DISTRIBUTION:

HABITAT:

Rocky desert habitat, Baja California, Mexico

Bajada Habitat, 900′, Baja California, Mexico

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Hypsiglena torquata venusta

Adult, 10′, Baja California, Mexico

Head of above individual

ISLAND NIGHT SNAKE
Hypsiglena torquata – Gunther 1860
Hypsiglena torquata venusta – Mocquard 1899

IDENTIFICATION:

DISTRIBUTION:

HABITAT:

Rocky Beach Habitat, 0′, Baja California, Mexico

Desert scrub habitat, 50′, Isla Carmen, Baja California Sur, Mexico

Oceanside habitat, Isla Carmen, Baja California Sur, Mexico

Rocky oceanside habitat, Baja California Sur, Mexico

Gulf Shore Habitat, Baja California Sur, Mexico

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