February « 2006 « Mexico Herpetology

Welcome to Mexico-Herps.com!

WEBSITE UNDER CONSTRUCTION
I’m glad you found your way to my website! It is the first comprehensive introduction to the herpetofauna of Mexico anywhere (yes, anywhere!). I’m still trying to figure out what kind of format I want to stick with, so please don’t be put off by the “un-professional” appearance of the site. I am [...]

Agalychnis moreleti

Adult Male, 4,500′, Oaxaca, Mexico

Inactive Adult Male, 4,500′, Oaxaca, Mexico

MORELET’S LEAF FROG
Agalychnis moreletii – Dumeril 1853

IDENTIFICATION:

DISTRIBUTION:
Historically, Agalychnis moreletii is found in several widely-disjunct regions of southern Mexico; In Puebla it is known from the Sierra Norte, in Veracruz from Cuautlapan and the Los Tuxtlas region, in Oaxaca from the Sierra [...]

Eleutherodactylus decoratus purpurus

Adult, 4,800′, Tamaulipas, Mexico

Adult, in situ 5′ Above Ground, 4,800′, Tamaulipas, Mexico

PURPLE ADORNED ROBBER FROG
Eleutherodactylus decoratus – Taylor 1943
Eleutherodactylus decoratus purpurus – Lynch 1973

IDENTIFICATION:

DISTRIBUTION:
The purple adorned robber frog is known only from the cloud forest region of the Rancho del Cielo Biosphere Preserve, in the Sierra de Guadalupe of south-central Tamaulipas, Mexico. It may also [...]

Crotalus willardi obscurus

Adult, 6,000′, Hidalgo County, New Mexico

Close-Up of Head

ANIMAS RIDGE-NOSED RATTLESNAKE
Crotalus willardi – Meek 1905
Crotalus willardi obscurus – Harris 1974

IDENTIFICATION:

DISTRIBUTION:
In Mexico, this rattlesnake is found only in the Sierra San Luis of Sonora and Chihuahua; it also occurs in the United States in the Animas and Peloncillo Mountains.

HABITAT:

Madrean [...]

Crotaphytus dickersonae

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

IDENTIFICATION:

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

Tomodactylus syristes

Adult, 3,500′, Oaxaca, Mexico

Adult showing thigh coloration, 3,500′, Oaxaca, Mexico

MIAHUATLAN (PIPING) PEEPING FROG
Tomodactylus syristes – Hoyt 1965

IDENTIFICATION:

DISTRIBUTION:
T. syristes is known to occur only on the Pacific slopes of the Sierra MiahuatlÃ¡n and Sierra Mixteca Alta at moderate elevations.

HABITAT:

Cloud Forest of the Sierra Madre del Sur, 2,000′, Oaxaca, Mexico

NATURAL HISTORY:

TAXONOMY:
The genus Tomodactylus was recently synonomized [...]

Bufo cavifrons

Metamorph, 295′, Veracruz, Mexico

Venter

TUXTLAN TOAD
Bufo cavifrons – Firschein 1950

IDENTIFICATION:

DISTRIBUTION:
Bufo cavifrons is endemic to the isolated Sierra de los Tuxtlas region (including Volcan Santa Marta) of Veracruz, Mexico. Here, it occurs at elevations of 75-1600m.

HABITAT:

Rain Forest Habitat, 295′, Sierra de los Tuxtlas, Veracruz, Mexico

Oviposition Site, 320′, Sierra de los Tuxtlas, Veracruz, Mexico

NATURAL HISTORY:
Bufo cavifrons is a [...]

Phyllodactylus delcampoi

Adult, Dark Individual, 800′, Guerrero, Mexico

Adult, Light Individual, 800′, Guerrero, Mexico

GUERRERO LEAF-TOED GECKO
Phyllodactylus delcampoi – Mosauer 1936

IDENTIFICATION:

DISTRIBUTION:

HABITAT:

Upland Habitat, 800′, Guerrero, Mexico

Microhabitat, 800′, Guerrero, Mexico

NATURAL HISTORY:

TAXONOMY:

TYPE:

PERSONAL NOTES:

REFERENCES:

Geophis semidoliatus

Adult, 200′, Veracruz, Mexico

Adult and Neonates, 200′, Veracruz, Mexico

CORAL EARTH SNAKE
Geophis semidoliatus – Dumeril, Bibron & Dumeril 1854

IDENTIFICATION:

DISTRIBUTION:

HABITAT:

Banana Grove Habitat, 200′, Veracruz, Mexico

NATURAL HISTORY:

TAXONOMY:

TYPE:

PERSONAL NOTES:

REFERENCES:

Phrynosoma coronatum

Adult, 50′, Baja California Sur, Mexico

Venter

BAJA CALIFORNIA HORNED LIZARD
Phrynosoma coronatum – Blainville 1835

IDENTIFICATION:

DISTRIBUTION:

HABITAT:

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

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

NATURAL HISTORY:

TAXONOMY:

TYPE:

PERSONAL NOTES:
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 [...]

Rana chichicuahutla

LAGO DE LAS MINAS LEOPARD FROG
Rana chichicuahutla – Cuellar, MÃ©ndez-De La Cruz, & VillagrÃ¡n-Santa Cruz 1996

IDENTIFICATION:

DISTRIBUTION:
This species is only known from the eastern shore of Lago de las Minas, in the high desert of extreme eastern Puebla, Mexico. It may also occur in adjacent crater lakes but this has yet to be confirmed.

HABITAT:

Habitat, main [...]

Aspidoscelis burti burti

Adult, 100′, Sonora, Mexico

Same as above

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

IDENTIFICATION:

DISTRIBUTION:

HABITAT:

Habitat, 100′, Sonora, Mexico

NATURAL HISTORY:

TAXONOMY:

TYPE:

PERSONAL NOTES:
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 [...]

Crocodylus acutus

Adult, 50′, Nayarit, Mexico

AMERICAN CROCODILE
Crocodylus acutus – Cuvier 1807
Crocodylus acutus acutus – Cuvier 1807

IDENTIFICATION:

DISTRIBUTION:

HABITAT:

Habitat, 50′, Nayarit, Mexico

NATURAL HISTORY:

TAXONOMY:

TYPE:

PERSONAL NOTES:

CONSERVATION STATUS:

REFERENCES:

Trimorphodon tau tau

Neonate, 1,600′, Sonora, Mexico

TROPICAL LYRE SNAKE
Trimorphodon tau – Cope 1870
Trimorphodon tau tau – Cope 1870

IDENTIFICATION:

DISTRIBUTION:

HABITAT:

Habitat, 250′, Sinaloa, Mexico

NATURAL HISTORY:

TAXONOMY:

TYPE:

PERSONAL NOTES:

CONSERVATION STATUS:

REFERENCES:

Tomodactylus petersi

Adult Male, 4,400′, Sinaloa, Mexico

PETER’S SHINY PEEPING FROG
Tomodactylus petersi – Duellman 1954

IDENTIFICATION:

DISTRIBUTION:
Tomodactylus petersi is found from the Sierra Madre Occidental of Sinaloa and Durango south to the Sierra de CoalcomÃ¡n; it is found inland to the mountains of the state of Aguascalientes.

HABITAT:

NATURAL HISTORY:

TAXONOMY:
The genus Tomodactylus was recently synonomized with Eleutherodactylus; however, I believe that [...]

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Welcome to Mexico-Herps.com!

Agalychnis moreleti

Eleutherodactylus decoratus purpurus

Crotalus willardi obscurus

Crotaphytus dickersonae

Tomodactylus syristes

Bufo cavifrons

Phyllodactylus delcampoi

Geophis semidoliatus

Phrynosoma coronatum

Rana chichicuahutla

Aspidoscelis burti burti

Crocodylus acutus

Trimorphodon tau tau

Tomodactylus petersi

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