Neotropical

Variation in echolocation call emission of Neotropical insect-eating bats in response to shifting ambient temperatures
The sensory systems of animals are essential for them to respond to environmental cues and signals. However, their functionality might …
P. Iturralde-Polit, Marcelo Araya-Salas, HR Goerlitz, G. Chaverri
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Environmental drivers of calling activity in the critically endangered Lemur Leaf frog, Agalychnis lemur (Hylidae:Phyllomedusinae)
Tropical frog species are known to exhibit high sensitivity to weather regime alterations, which leaves them vulnerable to ongoing …
Fabiola Chirino, Beatriz Willink, Jorge Elizondo-Calvo, Wagner Chaves-Acuña, Diego Salas-Solano, Jose Salazar-Zúñiga, Marcelo Araya-Salas
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Quantifying degradation in animal acoustic signals with the R package baRulho
Animal acoustic signals are shaped by selection to convey information based on their tempo, intensity, and frequency. However, sound …
Marcelo Araya-Salas, Erin E. Grabarczyk, Marcos Quiroz-Oliva, Adrián García-Rodríguez, Alejandro Rico-Guevara
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Vocal interactions of breeding partners predict duration of incubation bout in an Artic seabird
In species with biparental care, coordination of parental activities can have important fitness consequences. However, specific …
Marion Devogel, Rozenn Le Fur, Antoine Grissot, Dorota Kidawa, Marcelo Araya-Salas, Katarzyna Wojczulanis‑Jakubas
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Calling to the collective: contact calling rates within groups of disc-winged bats do not vary by kinship or association
Many group-living animals coordinate social behaviours using contact calls, which can be produced for all group members or targeted at …
Gloriana Chaverri, Maria Sagot, Jennifer L. Stynoski, Marcelo Araya-Salas, Yimen Araya-Ajoy, Martina Nagy, Mirjam Knörnschild, Silvia Chaves-Ramírez, Nicole Rose, Mariela Sánchez-Chavarría, Yelananie Jiménez-Torres, Deilyn Ulloa-Sanabria, Hellen Solís-Hernández, Gerald G. Carter
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A cultural atlas of vocal variation, yellow-naped amazons exhibit contact call dialects throughout their Mesoamerican range
Vocal dialects are a taxonomically widespread phenomenon which are typically only studied in a portion of a species’ range. Thus, it is …
Molly K. Genes, Marcelo Araya-Salas, Christine R. Dahlin, Timothy F. Wright
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Flexible use of visual and acoustic cues during roost finding in Spix’s disc-winged bat (Thyroptera tricolor)
The ability of an animal to detect environmental cues is crucial for its survival and fitness. In bats, sound certainly plays a …
Miriam Gioiosa, Marcelo Araya-Salas, Christian Castillo-Salazar, Silvia Chaves-Ramírez, Maurizio Gioiosa, Nazareth Rojas, Mariela Sánchez-Chavarría, Dino Scaravelli, Gloriana Chaverri
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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
Landing manoeuvres predict roost-site preferences in bats
Roosts are vital for the survival of many species, and how individuals choose one site over another is affected by various factors. In …
Gloriana Chaverri, Marcelo Araya-Salas, Jose Pablo Barrantes, Tere Uribe-Etxebarria, Marcela Penã-Acunã, Angie Liz Varela, Joxerra Aihartza
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A machine learning approach for classifying and quantifying acoustic diversity
Assessing diversity of discretely varying behaviour is a classical ethological problem. In particular, the challenge of calculating an …
Sara C. Keen, Karan J. Odom, Michael S. Webster, Gregory M. Kohn, Timothy F. Wright, Marcelo Araya-Salas
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