@misc{indiciae87cfea602c49, title = {Observations of Interspecific amplexus between western North American ranid frogs and the introduced American bullfrog (Rana catesbeiana) and an hypothesis concerning breeding interference}, author = {Christopher A. Pearl and M.P. Hayes and Russ Haycock and Joseph D. Engler and Jay Bowerman}, year = {2005}, doi = {10.1674/0003-0031(2005)154[0126:ooiabw]2.0.co;2}, url = {https://pubs.usgs.gov/publication/1016368}, note = {Source identifier: 1016368} }