Table 2. Articles referring the male-male courtship display and the competition hypothesis on non-human animals.
| Type | (Sub) Hypothesis | Testing | Evidence | Class | Species | References |
|---|---|---|---|---|---|---|
| Review | Competition in general | na | na | in general | Bailey & Zuk (2009) | |
| na | na | Reptilia | Thamnophis sirtalis parietalis | Bailey & Zuk (2009) | ||
| na | na | Aves | in general | MacFarlane, Blomberg & Vasey (2010) | ||
| na | na | Aves | Cygnus atratus | MacFarlane, Blomberg & Vasey (2010) | ||
| na | na | Aves | Melanerpes formicivorus | MacFarlane, Blomberg & Vasey (2010) | ||
| na | na | Aves | Ptilonorhynchus violaceus | MacFarlane, Blomberg & Vasey (2010) | ||
| na | na | Aves | Rupicola rupicola | MacFarlane, Blomberg & Vasey (2010) | ||
| na | na | Insecta | in general | Scharf & Martin (2013) | ||
| na | na | Insecta | flies and wasps | Scharf & Martin (2013) | ||
| na | na | Insecta | Aphidius ervi | Scharf & Martin (2013) | ||
| na | na | Insecta | Byrsotria fumigata | Scharf & Martin (2013) | ||
| na | na | Insecta | Cephalonomia tarsalis | Scharf & Martin (2013) | ||
| na | na | Insecta | Cotesia rubecula | Scharf & Martin (2013) | ||
| na | na | Insecta | Euphydryas editha | Scharf & Martin (2013) | ||
| na | na | Insecta | Eupoecilia ambiguella | Scharf & Martin (2013) | ||
| Empirical | Competition as | |||||
| Dominance hierarchy | − | − | Actinopterygii | Oreochromis mossambicus | Oliveira & Almada (1998) | |
| − | − | Mammalia | Capra hircus | Ungerfeld et al. (2014) | ||
| − | − | Mammalia | Ovis aries | Ungerfeld, Ramos & Bielli (2007) | ||
| − | − | Mammalia | Ovis canadensis | Ungerfeld, Ramos & Bielli (2007) | ||
| − | − | Insecta | in general | Wang et al. (2011) | ||
| − | − | Aves | Poephila acuticauda | Adachi & Soma (2019) | ||
| + | − | Insecta | Gryllus veletis | Boutin et al. (2016) | ||
| Condition assessment | + | + | Aves | Melopsittacus undulatus | Abbassi & Burley (2012) | |
| Resource defence | + | + | Aves | Melopsittacus undulatus | Abbassi & Burley (2012) | |
| − | − | Aves | Taeniopygia guttata | Elie, Mathevon & Vignal (2011) | ||
| Aggressiveness inhibitor | + | + | Insecta | Gnatocerus cornutus | Lane et al. (2016) | |
| + | + | Insecta | Teleogryllus occipitalis | Kuriwada (2017) | ||
| + | − | Insecta | Teleogryllus oceanicus | Rayner & Bailey (2019) |
Note:
Articles referring to male-male courtship display and the intrasexual competition hypothesis on non-human animals. Type of article, sub-hypothesis suggested, whether the article tested an explanatory hypothesis or nor (represented as “+” or as “−”, respectively), and whether there was evidence supporting the intrasexual competition hypothesis (represented as “+” or as “−”, respectively), year of publication and authors.