Animal behavior

Parental coordination of chick provisioning in a planktivorous Arctic seabird under divergent conditions on foraging grounds
An increasing number of studies report coordinated chick provisioning by avian parents. Although the pattern of parental coordination …
Antoine Grissot, Marcelo Araya-Salas, Dariusz Jakubas, Dorota Kidawa, Rafał Boehnke, Katarzyna Błachowiak-Samołyk, Katarzyna Wojczulanis-Jakubas
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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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Early development of vocal interaction rules in a duetting songbird
Exchange of vocal signals is an important aspect of animal communication. Although birdsong is the premier model for understanding …
Karla D Rivera-cáceres, Esmeralda Quirós-guerrero, Marcelo Araya-Salas, Christopher N Templeton, William A Searcy
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Seabird parents provision their chick in a coordinated manner
Pair collaborative behavior may play an important role in avian reproduction. However, evidence for this mainly comes from certain …
Katarzyna Wojczulanis-Jakubas, Marcelo Araya-Salas, Dariusz Jakubas
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Spatial memory is as important as weapon and body size for territorial ownership in a lekking hummingbird
Advanced cognitive abilities have long been hypothesized to be important in mating. Yet, most work on sexual selection has focused on …
Marcelo Araya-Salas, Paulina Gonzalez-Gomez, Katarzyna Wojczulanis-Jakubas, Virgilio López, Virgilio López III, 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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Neotropical wrens learn new duet rules as adults
Although song development in songbirds has been much studied as an analogue of language development in humans, the development of vocal …
K. D. Rivera-Cáceres, E. Quirós-Guerrero, Marcelo Araya-Salas, W. A. Searcy
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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 vocal learning accelerate acoustic diversification? Evolution of contact calls in Neotropical parrots
Learning has been traditionally thought to accelerate the evolutionary change of behavioural traits. We evaluated the evolutionary rate …
A. Medina-García, Marcelo Araya-Salas, T. F. Wright
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