Author: | Pearl, C.A. , M.P. Hayes, R. Haycock, J.D. Engler, and J. Bowerman |
Article Title: | Observations of Interspecific Amplexus Between Western North American Ranid Frogs and the Introduced American Bullfoog (Rana catesbeiana) and an Hypothesis Concerning Breeding Interference. |
Journal Name: | American Midland Naturalist |
Keywords: | Ranid frogs, Bullfrog, Rana catesbeiana, Oregon spotted frog, Rana pretiosa, red-legged frog, Rana aurora, breeding interference, |