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Rana luteiventris pop. 3

Scientific Name:Rana luteiventris pop. 3
Common name:Columbia spotted frog (Great Basin pop)
Rank and Status   
Global Rank:G4T2T4 Native Status:Native
Subnational (State) Rank:S2S3 Endemic:No
US ESA Status:None Sand Dunes:No
NNHP Tracking Status:At-Risk List Wetland:Yes
Other Agency Status Status Last Updated Status Comments
Bureau of Land Management - Nevada Sensitive BLM Nevada Sensitive Species List dated 2017-10-01
US Forest Service - Region 4 (Intermountain) Sensitive USFS list, Jan 2015 update
State of Nevada Protected Protected Amphibians NAC 503.075.2
Nevada Wildlife Action Plan - 2012 Species of Conservation Priority
Nevada Wildlife Action Plan - 2005 Species of Conservation Priority
CCVI Score Highly Vulnerable Conf. Low; Factors contributing to increased vulnerability are natural and anthropogenic barriers, physiological hydrological niche, disturbance, and ice/snow.
Distribution (NV Counties)

Status: Confident or certain

Elko Eureka Nye White Pine

Status: Predicted or probable

Humboldt Lander
Summary Occurrence Data
Occurrence Count:204
Total Observed Area (hectares):93
Maximum Known Elevation (m):2780
Minimum Known Elevation (m):1353
Rana luteiventris pop. 3 data at NatureServe
Rana luteiventris pop. 3 photos and data at Encyclopedia of Life
Character Abstract
Identification Comments:
Subspecies Comments:
Food Habits:Adults feed on invertebrates, generally within one-half meter of shore on dry days. During and after rain, they may move away from permanent water to feed in wet vegetation or ephemeral puddles. Adults also feed upon mollusks, crustaceans, and arachnids. They are thought to be opportunistic feeders and feed underwater to some extent. Green algae, most often Spirogyra, provides a food source and refuge for developing tadpoles. Tadpoles consume decomposed plant material, and live green algae.
Phenology Comments:Breeds from late February to early July, beginning as early as the spring thaw will permit. A water temperature of 40 degrees F seems to be the critical temperature for emergence from hibernation.
Reproduction Comments:Breeding usually occurs in pooled water (e.g. oxbows, lakes, stock ponds, beaver-created ponds, springs, seeps in wet meadows, backwaters) with floating vegetation and some emergent vegetation. Frogs may be locally abundant when they congregate to breed in spring. Males gather at breeding locations, usually in shallow water, and begin calling. Calling is weak and intermittent. They do not defend territories. Mating occurs during the day in shallow water. Females may lay only one egg mass per year; yearly fluctuations in egg masses are extreme. These rounded egg masses are often softball sized, are not attached to vegetation, and rest on the bottom in shallow water or float with the top layers of eggs exposed at the surface. Clutch size ranges from 150-2000 eggs. Hatching time is dependant upon temperature and ranges from 3-21 days. Successful egg production and the viability and metamorphosis of spotted frogs are susceptable to habitat variables such as temperature, depth, pH, dessication, over-hanging vegetation, and presence/absence of non-native fishes and bullfrogs. Development of tadpoles is temperature dependent. The age at transformation ranges from 70-85 days at higher elevations to 110-130 days at low elevation. Spotted frogs reach sexual maturity at 2-6 years of age depending on location and elevation.
Migration Mobility:In 1995 an individual was recaptured 5 km upstream from original capture site. The human population is very sparse here and it is unlikely that the frog was relocated. This was a wet year and this demonstrates that amphibians can take advantage of wet years to move through unsuitable habitat.
Habitat Comments:Columbia spotted frogs are closely associated with clear, slow-moving or ponded surface waters, with little shade, and relatively constant water temperatures. Breeding and egg-laying occurs in waters with floating vegetation and larger ponds such as oxbows, lakes, stock ponds, and beaver-created ponds. Females usually lay egg masses in the warmest areas of the pond, typically in shallow water. In some areas, spotted frogs are critically tied to beaver-created ponds; without these ponds, spotted frogs are typically not found. For overwintering, spotted frogs use areas that do not freeze, such as spring heads and deep undercuts with overhanging vegetation. However, they have also been observed overwintering underneath ice-covered deep ponds.
Ecology comments:Abundance may be tied to beaver ponds in some locations; when beavers decrease, frogs may decrease as well (Spotted Frog Mtg, Reno 2002, USFWS 1997a). See the Candidate Notice of Review (USFWS 2011c) for more comprehensive information.
Version Date:02/12/2002 - 12:00am
Columbia spotted frog (Rana luteiventris), Indian Valley
Photographer: Kristin Szabo
Photo Date: 2009-07-16
Columbia spotted frog (Rana luteiventris) adult and metamorph, Indian Valley
Photographer: Kristin Szabo
Photo Date: 2009-07-15
Columbia spotted frog (Rana luteiventris), Indian Valley
Photographer: Kristin Szabo
Photo Date: 2009-07-13
Columbia spotted frog (Rana luteiventris), Indian Valley
Photographer: Kristin Szabo
Photo Date: 2009-07-13