Arnott G, Elwood RW (2008) Information gathering and decision making about resource value in animal contests. Anim Behav 76:529–542. https://doi.org/10.1016/j.anbehav.2008.04.019
Briffa M, Lane SM (2017) The role of skill in animal contests: a neglected component of fighting ability. Proc R Soc B Biol Sci 284:20171596. https://doi.org/10.1098/rspb.2017.1596
Cribari-Neto F, Zeileis A (2010) Beta Regression in R. J Stat Softw 34:1–24. https://doi.org/10.18637/jss.v034.i02
Dennenmoser S, Christy JH (2013) The design of a beautiful weapon: compensation for opposing sexual selection on a trait with two functions. Evolution 67:1181–1188. https://doi.org/10.1111/evo.12018
Dyson M, Richert M, Halliday T (2013) Contest in amphibians. In: Hardy I, Briffa M (eds) Animal contests. Cambridge University Press, Cambridge, pp 228–257
Hardy ICW, Briffa M (2013) Animal contests. Cambridge University Press
Höbel G (2000) Reproductive ecology of Hyla rosenbergi in Costa Rica. Herpetologica 56:446–454
Kluge AG (1979) The gladiator frogs of middle American and Colombia-a reevaluation of their systematics (Anura: Hylidae). In: Occasional papers of the Museum of Zoology. University of Michigan, Michigan, pp 1–24
Kluge AG (1981) The life history, social organization, and parental behavior of Hyla rosenbergi Boulenger, a nest building gladiator frog. Misc Publ Mus Zool Univ Mich 160:1–170
Kokko H (2013) Dyadic contests: modelling flights between two individuals. In: Briffa M (ed) Hardy I. Cambridge University Press, Animal contests, pp 5–32
Lane SM, Briffa M (2017) The price of attack: rethinking damage costs in animal contests. Anim Behav 126:23–29. https://doi.org/10.1016/j.anbehav.2017.01.015
Palaoro AV, Briffa M (2017) Weaponry and defenses in fighting animals: how allometry can alter predictions from contest theory. Behav Ecol 28:328–336. https://doi.org/10.1093/beheco/arw163
Pombal JP, Martins M, Haddad CFB (1998) Escalated aggressive behaviour and facultative parental care in the nest building gladiator frog, Hyla faber. Amphib-Reptil 19:65–73. https://doi.org/10.1163/156853898X00331
Rojas R, Morales MC, Rivadeneira MM, Thiel M (2012) Male morphotypes in the Andean river shrimp Cryphiops caementarius (Decapoda: Caridea): morphology, coloration and injuries. J Zool 288:21–32. https://doi.org/10.1111/j.1469-7998.2012.00922.x
Shine R (1979) Sexual selection and sexual dimorphism in the Amphibia. Copeia 1979:297–306. https://doi.org/10.2307/1443418
Wells KD (2007) The ecology and behavior of amphibians. University of Chicago Press, Chicago