1. Sexual Selection
2. Female mate selection in the natterjack toad: active choice or passive attraction;Arak;Behav. Ecol. Sociobiol.,1988
3. Sexual selection and taxonomic diversity in passerine birds;Barraclough;Proc. R. Soc. Lond. B,1995
4. Isolating mechanisms in a complex of four species of toads;Blair;Biol. Symp.,1942
5. Call difference as an isolation mechanism in southwestern toads (genus Bufo);Blair;Tex. J. Sci.,1956