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Adult, 300′, Marin County, California
CALIFORNIA TOAD
Anaxyrus boreas – Baird & Girard 1852
Anaxyrus boreas halophilus – Baird & Girard 1853
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Chaparral/Oak Habitat, 2,500′, San Diego County, California
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I have no experience with Anaxyrus boreas halophilus in Mexico; however, I have found it to be quite common in California (specifically San Diego County). In the Chaparral and [...]
ARROYO TOAD
Anaxyrus californicus – Camp 1915
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DISTRIBUTION:
In Mexico, Anaxyrus californicus is recorded from coastal lowlands and foothill regions of Baja California as far south as Arroyo San Simon, just south of San Quintin. In the United States it occurs as far north as San Luis Obispo County, California.
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This species inhabits areas in close proximity to wide, [...]
Adult, 1,600′, Pima County, Arizona
GREAT PLAINS TOAD
Anaxyrus cognatus – Say 1823
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PERSONAL NOTES:
I have encountered this species in a variety of habitats and locations in Mexico, from west of Hermosillo, Sonora to Rodeo, Durango to Cuatrocienegas, Coahuila (and many more). All sightings have been during periods of monsoon rain. In the vicinity of Hermosillo I [...]
Adult, 3,500′, Michoacan, Mexico
Close-Up of Cranial Crests and Paratoid Glands
PLATEAU TOAD
Anaxyrus compactilis – Weigmann 1833
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Plateau Habitat, 3,500′, Michoacan, Mexico
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I have found this species only on two occasions. The first was near the town of Jiquilpan, Michoacan in an open grassy plateau area. Other amphibian species found in the vicinity were an odd mix [...]
EASTERN GREEN TOAD
Anaxyrus debilis – Girard 1854
Anaxyrus debilis debilis – Girard 1854
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I have no experience with this subspecies.
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Adult Female, Cochise Co., Arizona
WESTERN GREEN TOAD
Anaxyrus debilis – Girard 1854
Anaxyrus debilis insidior – Girard 1854
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Chihuahua Grassland Habitat, Cochise Co., Arizona
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In Mexico, I have only found this species in the vicinity of Cuatrocienegas, Coahuila. We found them breeding in three municipios around the town, mostly in low ditches along the highways.
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Adult Male, 600′, Sinaloa, Mexico
LITTLE MEXICAN TOAD
Anaxyrus kelloggi – Taylor 1936
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I have found this species several times around Alamos and Navojoa, Sonora and near Mazatlan, Sinaloa. They typically show up on rural roads at night, but one night I found a deafening chorus of A. kelloggi and Incilius mazatlanensis on the eastern edge [...]
Egg Strings, 4,500′, Sonora, Mexico
CHIHUAHUA TOAD
Anaxyrus mexicanus – Brocchi 1879
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Meadow Habitat, 4,300′, Sonora, Mexico
Permanent Stream (Oviposition Site), 4,500′, Sonora, Mexico
Permanent Stream (Oviposition Site), 6,000′, Chihuahua, Mexico
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In April, 2004 I found what I believe to be egg strings of this species in slow portions of a small stream near Yecora, Sonora. In 2003 we [...]
Adult Male, 3,500′, Santa Cruz County, Arizona
Adult, 1,800′, Sonora, Mexico
RED-SPOTTED TOAD
Anaxyruspunctatus – Baird & Girard 1852
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Tropical Thornscrub Habitat, 1,800′, Sonora, Mexico
Chihuahua Desert Habitat, 1,400′, Terrell County, Texas
Canyon Riparian Habitat, 800′, Baja California Sur, Mexico
Rocky desert habitat, Baja California, Mexico
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I have found this species commonly throughout many regions of Mexico, and the USA. It [...]
Adult Male, 2,300′, Pima Co., Arizona
SONORA GREEN TOAD
Anaxyrus retiformis – Sanders & Smith 1951
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Man-made Oviposition site, 2,300′, Sonora-Arizona Border
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I have found this species many times in Arizona, but only once in Mexico. During the landfall of a hurricane in 2008 I found this species to be abundant west of Hermosillo, Sonora. Also found [...]
Adult, 2,500′, Culberson County, Texas
TEXAS TOAD
Anaxyrus speciosus – Girard 1854
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Chihuahua Desert Habitat, 1,400′, Terrell County, Texas
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I have found this species several times in Mexico. They are common in the walnut groves just north of Cuatrocienegas, Coahuila, and I have also found them along the Rio Grande (Rio Bravo) in northwest Tamaulipas.
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WOODHOUSE’S TOAD
Anaxyrus woodhousei – Girard 1854
Anaxyrus woodhousei woodhousei – Girard 1854
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I have not sought this nominate subspecies in Mexico, although I have seen them on many occasions in the USA.
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SOUTHWESTERN WOODHOUSE’S TOAD
Anaxyrus woodhousei – Girard 1854
Anaxyrus woodhousei australis – Shannon & Lowe 1955
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I have not seen this subspecies in Mexico, although I have heard them calling from the Rio San Pedro a few miles north of the Arizona/Sonora border. I have also seen them in the Patagonia Mountains a short distance from [...]
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