1 American bullfrog (Lithobates catesbeiana), indigenous to North America. 2  Cane toad (Rhinella marina), a toad indigenous to Central and South America, called 'bullfrog' in the Philippines. 3  Limnodynastes dorsalis, found in Southwest Australia.  Limnodynastes dumerilii, found in Western Australia.
Definition of federate. : united in an alliance or federation : federated.
Definition. noun (1) (biology) A biological condition in which a competing variant is increasing in frequency relative to other competing variants in a population. (2) A relative measure of reproductive success of an organism in passing its genes to the next generation.