Complex relationship between multiple measures of cognitive ability and male mating success in satin bowerbirds, Ptilonorhynchus violaceus

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Problem-solving performance is correlated with reproductive success in a wild bird population (2013, background): “These tasks routinely involve obstacle removal (Keagy et al. 2011), detouring (Boogert et al.”
Measuring variation in cognition (2014, background): “mean when they use the word “better” (e.g., Boogert et al. 2011; Keagy et al. 2011; Morand-Ferron and Quinn 2011; Sih and Del Giudice 2012)? As demonstrated in the example of spatial memory, there are a number of ways that an animal’s cognitive abili-”
Performance in cognitive and problem-solving tasks in male spotted bowerbirds does not correlate with mating success (2013, unknown): “Measures of other traits thought to require high levels of cognitive performance (vocal mimicry and bower restoration behaviour) also predicted mating success individually or in conjunction with one another (Keagy et al. 2011, 2012).”
Wild psychometrics: evidence for ‘general’ cognitive performance in wild New Zealand robins, Petroica longipes (2015, methodology): “As yet, few species have been identified that fulfil all these requirements (Isden et al., 2013; Keagy et al., 2011).”