1Alonzo SH, Warner RR, 2000. Allocation to mate guarding or increased sperm production in a Mediterranean wrasse. Am. Nat. 156: 266-275.
2Anderson M, 1994. Sexual Selection. Princeton: Princeton Uni- versity Press.
3Bastos RP, Haddad CFB, 1996. Breeding activity of the neotropi- cal treefrog Hyla elegans (Anura, Hylidae). J. Herpetol. 30: 355-360.
4Bell RC, Zamudio KR, 2012. Sexual dichromatism in frogs: Natural selection, sexual selection and unexpected diversity. Proc. R. Soc. B 279: 4686-4693.
5B611 S, Linsenmair KE, 1998. Size dependent male reproductive success and size-assortative mating in the midwife toad Alytes obstetricans. Amphibia-Reptilia 19: 75-89.
6Bourne GR, 1993. Proximate costs and benefits of mate acquisi- tion at leks of the frog Ololygon rybra. Anim. Behav. 45: 1051-1059.
7Cadeddu Giacoma C, Castellano S, 2012. Sexual size dimor- phism in the Tyrrhenian tree frog: A life-history perspective. J. Zool. 286: 285-292.
8Castellano S, Cucco M, Giacoma C, 2004. Reproductive invest- ment of female green toads Bufo viridis. Copeia 2004: 659- 664.
9Davies NB, Halliday TR, 1977. Optimal mate selection in the toad Bufo bufo. Nature 269: 56-58.
10Davies NB, Halliday TR, 1979. Competitive male searching in male common toads, Bufo bufo. Anim. Behav. 27: 1253-1267.