TY  - RPRT
TI  - Observations of Interspecific amplexus between western North American ranid frogs and the introduced American bullfrog (Rana catesbeiana) and an hypothesis concerning breeding interference
AU  - Christopher A. Pearl
AU  - M.P. Hayes
AU  - Russ Haycock
AU  - Joseph D. Engler
AU  - Jay Bowerman
PY  - 2005
DO  - 10.1674/0003-0031(2005)154[0126:ooiabw]2.0.co;2
UR  - https://pubs.usgs.gov/publication/1016368
ID  - 1016368
ER  -