Description
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Hyla arenicolor adult frogs range from 32-57 mm in SVL. It has rough warty skin which prevents desiccation. Webbing is well developed but does not extend to the hind leg's fifth toe. Toe pads are considerably enlarged. It is distinguished from similar species by having a dark-edged light spot beneath the eye, instead of a dark bar running through the eye. Dorsal coloration is brown to gray and randomly spotted, while ventral coloration is cream to orange-yellow. This coloration aids in its ability to camouflage. When exposed to sun, the dorsal coloration changes from being normally dark to a light gray. (Stebbins 2003). Hyla arenicolor feeds on a variety of insects, including beetles, ants, and caterpillers (Behler 1979).Albinos have been found only in this species of Hyla. In albino frogs, the eyes have red pupils with white irises (Van Devender 1969).
- Barber, P. H. (1999). ''Phylogeography of the Canyon Treefrog, Hyla arenicolor (Cope) based on mitochondrial DNA sequence data.'' Molecular Ecology, 8(4), 547.
- Snyder, G. K. Hammerson, G. A. (1992). ''Interrelationships between water economy and thermoregulation in the Canyon Tree-frog Hyla arenicolor.'' Journal of Arid Environments, 1993(25), 321-329.
- Van Devender, T. R. (1969). ''A record of albinism in the Canyon Tree Frog, Hyla arenicolor Cope.'' Herpetologica, 25(1), 69.
Distribution and Habitat
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Specifically found in parts of southern and western Colorado. Isolated populations found in northeastern New Mexico and certain regions of Texas (Behler 1979). Habitat ranges from arid environments to streambanks. Most often found in pools at the bottoms of canyons. It generally lives on the ground but can be found in trees and clinging to boulders (Stebbins 2003).
Life History, Abundance, Activity, and Special Behaviors
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Breeding period ranges from March to July but can be extended due to insufficient rainfall. (Stebbins 2003). Vocal calls are hollow, nasal, and explosive, lasting only 1-3 seconds (Behler 1979).
Life History, Abundance, Activity, and Special Behaviors
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Overcollection from humans. It is vulnerable due to exposure while basking on rocks (Stebbins 2003).
Relation to Humans
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Have been used in experiments to test the thermoregulation relating to how its skin manages water uptake (Snyder and Hammerson 1992).
Canyon tree frog
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The canyon tree frog (Dryophytes arenicolor) is a species of tree frog native to the rocky plateau areas of southern United States, primarily in New Mexico and Arizona, but it also ranges to Utah, Texas, and Colorado, and as far south as the Mexican states of Michoacán, México, Guanajuato, Guerrero, and Oaxaca.[2]
Description
Canyon tree frogs grow to 5.0–5.5 cm (2.0–2.2 in) in length, and are typically brown, grey-brown, or grey-green in color, often with darker-colored blotching. They can vary considerably, but usually match the soil or rock coloration of their native habitats to serve as camouflage. Those from limestone habitats are lighter colored, and those from regions composed mostly of granite can even be pink in coloration. Most have bright yellow in their groin regions, and faded banding on their legs.
Behavior
Canyon tree frogs are mostly nocturnal and carnivorous. They are typically found in semiarid, rocky habitats near a permanent water source. Breeding occurs during the spring rains, and large, floating egg masses of 100 or more eggs are laid on the water. During periods of low rainfall, the frogs will take refuge in rock/bolder crevices.
References
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Canyon tree frog: Brief Summary
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The canyon tree frog (Dryophytes arenicolor) is a species of tree frog native to the rocky plateau areas of southern United States, primarily in New Mexico and Arizona, but it also ranges to Utah, Texas, and Colorado, and as far south as the Mexican states of Michoacán, México, Guanajuato, Guerrero, and Oaxaca.
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