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Reptiles & Amphibians




Northern Red-legged Frog - Rana aurora

Baird and Girard, 1852




Range Map



Listen to this frog:

sound
One short call

sound
More sounds of
Rana aurora



More Information:


Northwest Resources List
Washington Herp Atlas
AmphibiaWeb


Related or Similar Northwest Frogs:

Northern Leopard Frog
Cascades Frog
American Bullfrog
Columbia Spotted Frog
Oregon Spotted Frog



observation link



Northern Red-legged Frog Northern Red-legged Frog Northern Red-legged Frog
  Adult, Pacific County, Washington  
Northern Red-legged Frog Northern Red-legged Frog Northern Red-legged Frog
Sub-adult, Multnomah County, Oregon Sub-adult, Multnomah County, Oregon
Northern Red-legged Frog Northern Red-legged Frog Northern Red-legged Frog
Sub-adult, Multnomah County, Oregon Sub-adult, Multnomah County, Oregon Adult, Multnomah County, Oregon
Northern Red-legged Frog Northern Red-legged Frog Northern Red-legged Frog
Sub-adult, Multnomah County, Oregon Juvenile, Multnomah County, Oregon
Sub-adult, Multnomah County, Oregon
Northern Red-legged Frog Northern Red-legged Frog Northern Red-legged Frog
Juvenile, Cascade Mountains, 900 ft., Lewis County, Washington
Northern Red-legged Frog Northern Red-legged Frog
Northern Red-legged Frog
Juvenile, Olympic Peninsula, Jefferson County, Washington Sub-adult, Linn County, Oregon
   
Comparison with Foothill Yellow-legged Frog
comparison comparison  
Adult Rana aurora on left.
Adult Rana boylii on right.
(Foothill Yellow-legged Frog)
Linn County, Oregon
Adult Rana aurora on left.
Adult Rana boylii on right.
(Foothill Yellow-legged Frog)
Linn County, Oregon
 
     
Breeding, Eggs, and Young
Northern Red-legged Frog Northern Red-legged Frog Northern Red-legged Frog
Adult male and female in amplexus, Humboldt County © Maureen Krinsky Breeding adult male, Humboldt County. Left: throat with very reduced vocal sacs. Right: the same frog calling underwater while resting on the bottom of an artificial pond about 12 inches below the surface.
Northern Red-legged Frog eggs Northern Red-legged Frog Northern Red-legged Frog
Egg mass Tadpole eyes are set in from the margin of the head. Compare with P. regilla Mature Tadpole
Northern Red-legged Frog Northern Red-legged Frog  
Transforming tadpole Tiny metamorph, fewer than
two weeks out of the water.
 

You can see more pictures of Northern Red-legged Frog eggs, tadpoles and juveniles Here.

Habitat
Breeding habitat with eggs, early February, Lewis County, Washington
Habitat, Multnomah County, Oregon
Habitat, Pacific County, Washington Habitat, Pacific County, Washington
Northern Red-legged Frog habitat Northern Red-legged Frog habitat Northern Red-legged Frog habitat
Habitat, with egg mass,
King County, Washington
Breeding pond,
Pacific County, Washington
Habitat, Linn County, Oregon
Northern Red-legged Frog habitat Northern Red-legged Frog habitat  
Egg deposition area,
Pacific County, Washington
Habitat, Multnomah County, Oregon  
     
Short Videos
Northern Red-legged Frog Northern Red-legged Frog habitat Northern Red-legged Frog habitat
A Northern Red-legged Frog on a late summer day, Multnomah County, Oregon. Northern Red-legged Frog breeding habitat with eggs in Lewis County, Washington.





More Northern Red-legged Frog breeding habitat with eggs in Lewis County, Washington.
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