Name: Oregon Spotted Frog (Rana pretiosa)
Order: Frogs (Anura)
Family: True Frogs (Ranidae)
What they look like
- Bumpy light brown or olive green skin with dark spots which are lighter in color in the center
- Belly, sides and the underside of short hind legs are red
- Light jaw stripe that can sometimes be very faint
- Have skin folds along sides of back and eyes are slightly upturned
- Very similar in appearance to Rana luteiventris
Where they live
- View a map of where they live
- Very rare and currently with populations at Black river and Conboy Lake
- Prefer marshes, wetlands, ponds, or other slow moving quiet water
- Breeding season is Feb-July depending on temperature and elevation
- Lay eggs in quiet, slow water
Cool Biology Facts
- Hibernates in winter up to a foot in the mud below water!
- Currently very threatened in Washington state, have disappeared from 70-90% of their range
- Highly aquatic, more so than any other Pacific Northwest frog
- Not very adaptable and do not do well with even slight changes to their environment
- Have severe declines in Washington state and breeding programs have been set up and have had moderate success in the reintroduction of the Oregon spotted frogs in a few areas.
- Main threats include nonnative species, including the bullfrog and introduced fish species and habitat loss and destruction.
- View their status on the IUCN Red List of Threatened Species.