Animalia > Chordata > Amphibia > Anura > Ranidae > Rana > Rana pretiosa

Rana pretiosa (Oregon Spotted Frog)

Synonyms: Rana pretiosa pretiosa; Rana temporaria pretiosa

Wikipedia Abstract

The Oregon spotted frog (Rana pretiosa, meaning "precious frog") is a member of the frog family Ranidae of order Anura. It is a medium-sized aquatic frog endemic to the Pacific Northwest and historically well distributed in the Puget Trough/Willamette Valley province and the Cascade Mountains of south-central Washington and Oregon. It is relatively rare within its range and is listed globally as vulnerable.
View Wikipedia Record: Rana pretiosa

EDGE Analysis

Uniqueness Scale: Similiar (0) 
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
 Unique & Vulnerable (100)
ED Score: 8.13
EDGE Score: 3.6


Diet [1]  Carnivore (Invertebrates), Carnivore (Vertebrates)
Female Maturity [1]  1 year
Male Maturity [1]  1 year
Litter Size [1]  798
Litters / Year [1]  1
Snout to Vent Length [1]  3.937 inches (10 cm)


Name Countries Ecozone Biome Species Report Climate Land
Central and Southern Cascades forests United States Nearctic Temperate Coniferous Forests
Central Pacific coastal forests Canada, United States Nearctic Temperate Coniferous Forests  
Eastern Cascades forests United States Nearctic Temperate Coniferous Forests
Puget lowland forests United States Nearctic Temperate Coniferous Forests

Protected Areas

Prey / Diet

Rana pretiosa (Oregon Spotted Frog)[2]


Lontra canadensis (northern river otter)[2]
Lontra longicaudis (Neotropical Otter)[2]
Rana pretiosa (Oregon Spotted Frog)[2]
Thamnophis elegans terrestris (Western Terrestrial Garter Snake)[2]


Parasitized by 
Cylindrotaenia americana <Unverified Name>[3]
Haematoloechus varioplexus <Unverified Name>[3]
Halipegus occidualis[3]
Megalodiscus intermedius <Unverified Name>[3]

Institutions (Zoos, etc.)

Range Map


North America;

External References


Play / PauseVolume
Provided by Center for Biological Diversity via Myxer Author: Gary Nafis



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.
2Anurans 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
3Gibson, 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
Abstract provided by DBpedia licensed under a Creative Commons License
Audio software provided by SoundManager 2