Hummingbirds

The evolution of sexually dimorphic traits in ecological gradients: an interplay between natural and sexual selection in hummingbirds
Traits that exhibit differences between the sexes have been of special interest in the study of phenotypic evolution. Classic …
Diego F. Beltrán, Marcelo Araya-Salas, Juan L. Parra, F. Gary Stiles, Alejandro Rico-Guevara
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The evolution of sexually dimorphic traits in ecological gradients: an interplay between natural and sexual selection in hummingbirds
Perspectives on the Study of Field Hummingbird Cognition in the Neotropics
Cognitive abilities are pivotal to the performance of traits that are closely related to fitness. However, the selective regimes …
Paulina L. Gonzalez-Gomez, Marcelo Araya-Salas
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Social group signatures in hummingbird displays provide evidence of co-occurrence of vocal and visual learning
Vocal learning, in which animals modify their vocalizations based on social experience, has evolved in several lineages of mammals and …
Marcelo Araya-Salas, Grace Smith-Vidaurre, Daniel J Mennill, James Cahill, Paulina L. Gonzalez-Gomez, Timothy F Wright
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To overlap or not to overlap: context-dependent coordinated singing in lekking long-billed hermits
When using signals to attract mates or defend resources, animals often overlap the voices of other in-dividuals in close proximity. In …
Marcelo Araya-Salas, Katarzyna Wojczulanis-Jakubas, Emily M Phillips, Daniel J Mennill, Timothy F Wright
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Bills as daggers? A test for sexually dimorphic weapons in a lekking hummingbird
One way in which secondary sexual traits can influence differential reproductive success is by playing a key role in …
Alejandro Rico-Guevara, Marcelo Araya-Salas
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Bills as daggers? A test for sexually dimorphic weapons in a lekking hummingbird
Does environmental heterogeneity promote cognitive abilities?
In the context of global change the possible loss of biodiversity has been identified as a major concern. Biodiversity could be …
P. L. González-Gómez, P. Razeto-Barry, Marcelo Araya-Salas, C. F. Estades
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Open-ended song learning in a hummingbird
Vocal learning in birds is typically restricted to a sensitive period early inlife, with the few exceptions reported in songbirds and …
Marcelo Araya-Salas, T. Wright
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