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Home -> Kingdom Animalia -> Phylum Chordata -> Subphylum Vertebrata -> Class Amphibia -> Order Anura -> Family Rhinophrynidae -> Species Rhinophrynus dorsalis

Rhinophrynus dorsalis
Mexican burrowing toad



2008/08/03 04:36:36.389 GMT-4

By Brenda Beaudry

Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Amphibia
Order: Anura
Family: Rhinophrynidae
Genus: Rhinophrynus
Species: Rhinophrynus dorsalis

Geographic Range

In the lowlands from Texas to Yucatan and Honduras, west coast from the Rio Balsas, Mexico, to Costa Rica. Barely enters the United States.

Biogeographic Regions:
nearctic (native ); neotropical (native ).

Habitat

Terrestrial and nocturnal. Remain in fairly small areas.

Terrestrial Biomes:
forest ; scrub forest .

Physical Description

Identification: 2 to 2 3/4 inches (record, 3 1/2 in.). The rotund body and broad reddish/orange middorsal stripe are sufficient for identifying this toad. Horny, shovel-like appendages on feet

Reproduction

Eggs are laid in water. Has its own mating call. Mate more than once and during any month. Breed in water, but may migrate one mile to a more suitable breeding pond. Eggs are laid in two jelly tubes. Tadpoles hatch in a few days and transform into adults in one to three months.

Behavior

Voice: a loud, low-pitched wh-o-o-o-a, much like a farmer commanding his mule to stop. Remain in burrows during winter and drought. When this amphibian is calling or alarmed, the body is so inflated with air that it resembles a miniature, somewhat flattened balloon with a small, triangular snout protruding from one side. Specimens are virtually never seen until heavy rains stimulate them to leave their burrows to form breeding choruses.

Food Habits

Eats insects, especially termites (which it licks up with its tongue), and other invertebrates.

Conservation Status

It looks somewhat like a narrow-mouthed toad of giant size. This species is the only living representative of its family, the Rhinophrynidae.

Contributors

Brenda Beaudry (author), University of Michigan.

References

Encyclopedia Britannica. 1994. Volume 11.

Conant, Roger. Reptiles and Amphibians, Peterson Field Guides. 1975.

2008/08/03 04:36:37.477 GMT-4

To cite this page: Beaudry, B. 1999. "Rhinophrynus dorsalis" (On-line), Animal Diversity Web. Accessed August 30, 2008 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Rhinophrynus_dorsalis.html.

Disclaimer: The Animal Diversity Web is an educational resource written largely by and for college students. ADW doesn't cover all species in the world, nor does it include all the latest scientific information about organisms we describe. Though we edit our accounts for accuracy, we cannot guarantee all information in those accounts. While ADW staff and contributors provide references to books and websites that we believe are reputable, we cannot necessarily endorse the contents of references beyond our control.

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