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Crotaphytus dickersonae

Adult male, 200′, Sonora, Mexico

Adult male, 200′, Sonora, Mexico

Adult male, 200′, Sonora, Mexico

Adult male, 200′, Sonora, Mexico

Venter of adult male, 200′, Sonora, Mexico

Female showing gravid coloration, 200′, Sonora, Mexico

Subadult male, 200′, Sonora, Mexico

Juvenile male, 200′, Sonora, Mexico

DICKERSON’S COLLARED LIZARD
Crotaphytus dickersonae – Schmidt 1922

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This colorful species is found only in a narrow band of rocky hills [...]

Phyllodactylus delcampoi

Adult, Dark Individual, 800′, Guerrero, Mexico

Adult, Light Individual, 800′, Guerrero, Mexico

GUERRERO LEAF-TOED GECKO
Phyllodactylus delcampoi – Mosauer 1936

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Upland Habitat, 800′, Guerrero, Mexico

Microhabitat, 800′, Guerrero, Mexico

Microhabitat, 800′, Guerrero, Mexico

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Phrynosoma coronatum

Adult, 50′, Baja California Sur, Mexico

Venter

BAJA CALIFORNIA HORNED LIZARD
Phrynosoma coronatum – Blainville 1835

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

Sandy Arroyo microhabitat, 1000′, Baja California Sur, Mexico

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In June, 2002 with the help of Victor Velasquez, Gary Nafis and I happened upon this lizard while digging for Bipes biporus on the outskirts of La [...]

Aspidoscelis burti burti

Adult, 100′, Sonora, Mexico

Same as above

CANYON SPOTTED WHIPTAIL
Aspidoscelis burti – Taylor 1938
Aspidoscelis burti burti – Taylor 1938

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Habitat, 100′, Sonora, Mexico

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I have seen this species once, at the above photographed locality. It was the first morning of a three-week long trip and this low rocky hill just outside of Bahia San Carlos, Sonora seemed [...]

Sceloporus sp. “Mazatlan”

Adult, Sea Level, Sinaloa, Mexico

Venter of above individual

SPINY LIZARD
Sceloporus sp. – “horridus albiventris”?

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Phrynosoma hernandezi

Neonate, 4,900′, Cochise Co., Arizona

MOUNTAIN HORNED LIZARD
Phrynosoma hernandezi – Girard 1853

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Holbrookia maculata pulchra

Adult Male, 5,600′, Cochise Co., Arizona

Adult Female, 4,900′, Cochise Co., Arizona

Venter of adult male

HUACHUCAN EARLESS LIZARD
Holbrookia maculata – Girard 1851
Holbrookia maculata pulchra –

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Pond edge habitat, 4,800′, Cochise Co., Arizona

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Heloderma horridum exasperatum

RIO FUERTE BEADED LIZARD
Heloderma horridum –
Heloderma horridum exasperatum –

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Heloderma horridum horridum

Adult, 250′, Sinaloa, Mexico

Close-up of head

MEXICO BEADED LIZARD
Heloderma horridum – Wiegmann 1829
Heloderma horridum horridum – Wiegmann 1829

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Habitat, 250′, Sinaloa, Mexico

Habitat, 500′, Oaxaca, Mexico

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Eumeces parvulus

Adult, 1,000′, Colima, Mexico

SOUTHERN PYGMY SKINK
Eumeces parvulus – Taylor 1933

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Sceloporus teapensis

SOUTHERN ROSE-BELLIED LIZARD
Sceloporus teapensis – Gunther 1890

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Sceloporus variabilis marmoratus

Adult Female, 2,000′, Tamaulipas, Mexico

NORTHERN ROSE-BELLIED LIZARD
Sceloporus variabilis – Wiegmann 1834
Sceloporus variabilis marmoratus – Hallowell 1852

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Sceloporus scalaris

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

MEXICO BUNCH-GRASS LIZARD
Sceloporus scalaris – Wiegmann 1828

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Sceloporus sp. “Maiz”

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

Venter of adult male

SPINY LIZARD
Sceloporus sp. –

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Sceloporus sp. “La Joya”

Juvenile, 7,300′, Veracruz, Mexico

SPINY LIZARD
Sceloporus sp. –

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