Bibliography

Both, C., R. Lingnau, A. P. dos Santos, Jr., B. Madalozzo, L. P. Lima, and T. Grant. 2011. Widespread occurrence of the American Bullfrog, Lithobates catesbeianus (Shaw, 1802) (Anura: Ranidae), in Brazil. South American Journal of Herpetology 6: 127–134.