Animalia > Chordata > Amphibia > Anura > Ranidae > Rana > Rana muscosa

Rana muscosa (Southern Mountain Yellow-legged Frog; Mountain Yellow-legged Frog)

Synonyms: Rana boylii muscosa

Wikipedia Abstract

The mountain yellow-legged frog or southern mountain yellow-legged frog (Rana muscosa) is a species of true frog endemic to California in the United States. It occurs in the San Jacinto Mountains, San Bernardino Mountains, and San Gabriel Mountains in Southern California and the Southern Sierra Nevada. It is a federally listed endangered species.Populations of Rana muscosa in the northern Sierra Nevada have been redescribed as a new species, Rana sierrae, the Sierra Nevada yellow-legged frog.
View Wikipedia Record: Rana muscosa

Endangered Species

Status: Endangered
View IUCN Record: Rana muscosa

EDGE Analysis

Uniqueness Scale: Similiar (0) 
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
 Unique & Vulnerable (100)
ED Score: 8.13
EDGE Score: 4.98


Adult Weight [1]  76 grams
Female Maturity [1]  3 years
Male Maturity [1]  3 years
Litter Size [1]  223
Litters / Year [1]  1
Maximum Longevity [1]  14 years
Snout to Vent Length [1]  3.4 inches (8.7 cm)


Name Countries Ecozone Biome Species Report Climate Land
California coastal sage and chaparral Mexico, United States Nearctic Mediterranean Forests, Woodlands, and Scrub
California montane chaparral and woodlands United States Nearctic Mediterranean Forests, Woodlands, and Scrub
Sierra Nevada forests United States Nearctic Temperate Coniferous Forests

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Anza-Borrego Desert State Park, CA III 184543 California, United States
John Muir Wilderness Area   California, United States      
Mojave and Colorado Deserts Biosphere Reserve 5901 California, United States  
Philip L. Boyd Deep Canyon Desert Research Center 6101 California, United States
San Dimas Biosphere Reserve 17161 California, United States  
Sequoia and Kings Canyon Biosphere Reserve II 172261 California, United States
Sheep Mountain Wilderness Area   California, United States  
Yosemite National Park II 95209 California, United States

Biodiversity Hotspots

Name Location Endemic Species Website
California Floristic Province Mexico, United States No

Prey / Diet

Callibaetis ferrugineus[2]
Daphnia middendorffiana[2]
Hesperodiaptomus shoshone[2]


Oncorhynchus aguabonita (Golden trout)[2]
Oncorhynchus mykiss (redband trout)[2]
Salmo trutta (Brown trout)[2]
Salvelinus fontinalis (charr)[2]
Thamnophis sirtalis (Common Garter Snake)[3]


Parasitized by 
Langeronia brenesi <Unverified Name>[4]

Institutions (Zoos, etc.)

Institution Infraspecies / Breed 
Fresno Chaffee Zoo
Los Angeles Zoo & Botanical Gardens
San Diego Wild Animal Park
San Francisco Zoological Gardens

Range Map

North America;


Play / PauseVolume
Provided by Center for Biological Diversity via Myxer Author: Carlos Davidson / Tim C. Ziesmer



Attributes / relations provided by
1Oliveira, Brunno Freire; São-Pedro, Vinícius Avelar; Santos-Barrera, Georgina; Penone, Caterina; C. Costa, Gabriel. (2017) AmphiBIO, a global database for amphibian ecological traits. Sci. Data.
2Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
3Anurans as prey: an exploratory analysis and size relationships between predators and their prey, L. F. Toledo, R. S. Ribeiro & C. F. B. Haddad, Journal of Zoology 271 (2007) 170–177
4Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 WWF WildFINDER
Protected Areas provided by Biological Inventories of the World's Protected Areas in cooperation between the Information Center for the Environment at the University of California, Davis and numerous collaborators.
Le Saout, S., Hoffmann, M., Shi, Y., Hughes, A., Bernard, C., Brooks, T.M., Bertzky, B., Butchart, S.H.M., Stuart, S.N., Badman, T. & Rodrigues, A.S.L. (2013) Protected areas and effective biodiversity conservation. Science, 342, 803–805
Biodiversity Hotspots provided by Critical Ecosystem Partnership Fund
Images provided by Google Image Search
Abstract provided by DBpedia licensed under a Creative Commons License
Weather provided by NOAA METAR Data Access
Audio software provided by SoundManager 2