The wag-display of the blue-crowned motmot (Momotus momota) as a predator-deterrent signal

Citation
The wag-display of the blue-crowned motmot (Momotus momota) as a predator-deterrent signal

Material Information

Title:
The wag-display of the blue-crowned motmot (Momotus momota) as a predator-deterrent signal
Translated Title:
El meneo de visualización del motmot de corona azul (Momotus momota) como una señal para repeler depredadores
Creator:
Nishikawa, Elise
Publication Date:
Language:
English

Subjects

Subjects / Keywords:
Birds--Behavior ( lcsh )
Animals--Adaptation ( lcsh )
Predation (Biology) ( lcsh )
Costa Rica--Puntarenas--Monteverde Zone ( lcsh )
Aves--Comportamiento
Animales--Adaptación
Depredación (Biología)
Costa Rica--Puntarenas--Zona de Monteverde
Tropical Ecology Spring 2010
Ecología Tropical Primavera 2010
Genre:
Reports
Reports ( lcsh )

Notes

Abstract:
The blue-crowned motmot (Momotus momota) is a large, omnivorous, Neotropical bird. Momotus momota demonstrates a variety of life history traits that could make the bird more vulnerable to ambush predators as well as adaptations to signal to, and deter attack by, ambush predators. Like other motmots, M. momota performs an exaggerated tail-wagging motion when presented with a visual predatory stimulus. I studied the different reactions elicited by four treatments to examine the importance of the signal receiver as a predator that had been visually located by the motmot. I presented either an avian model or an avian call played back to motmots and observed reactions. Motmots were significantly more likely to wag-display (p = 0.0009) upon seeing an ambush predator, more likely to not interrupt normal behavior like foraging when presented with a non-predatory control call, and subjects never approached either predator stimulus trial. These results support the previous research that suggested that motmots wag-displayed to deter predation.
Abstract:
El motmot de corona azul (Momotus momota) es un ave Neotropical grande y omnívora. Momotus momota demuestra varios rasgos de historia natural, que lo hacen vulnerable a emboscadas por depredadores, como también tiene adaptaciones para señalar y repeler depredadores. Como otros motmot realiza un movimiento de su cola exagerado, cuando está expuesto al estímulo de depredadores visuales. Yo estudie las diferentes reacciones a 4 tratamientos para examinar la importancia del estímulo cuando el motmot ha localizado visualmente al depredador. Yo presentaba un ave modelo o una vocalización a los motmots y observe sus reacciones. Los motmots movían más la cola cuando venía un depredador (p=0.0009), también era menos probable que interrumpieran su comportamiento normal cuando fueron presentados con estímulos de no depredadores. Estos resultados apoyan los estudios previos que sugieren que los motmots mueven su cola para repeler depredadores.
Language:
Text in English.
General Note:
Born Digital

Record Information

Source Institution:
University of South Florida Library
Holding Location:
University of South Florida
Rights Management:
All applicable rights reserved by the source institution and holding location.
Resource Identifier:
M39-00310 ( USFLDC DOI )
m39.310 ( USFLDC Handle )

Postcard Information

Format:
Book

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Full Text
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The wag-display of the blue-crowned motmot (Momotus momota) as a predator-deterrent signal
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The blue-crowned motmot (Momotus momota) is a large, omnivorous, Neotropical bird. Momotus momota demonstrates a variety of life history traits that could make the bird more vulnerable to ambush predators as well as
adaptations to signal to, and deter attack by, ambush predators. Like other motmots, M. momota performs an exaggerated tail-wagging motion when presented with a visual predatory stimulus. I studied the different reactions
elicited by four treatments to examine the importance of the signal receiver as a predator that had been visually located by the motmot. I presented either an avian model or an avian call played back to motmots and observed reactions. Motmots were significantly more likely to wag-display (p = 0.0009) upon seeing an ambush predator,
more likely to not interrupt normal behavior like foraging when presented with a non-predatory control call, and subjects never approached either predator stimulus trial. These results support the previous research that suggested that motmots wag-displayed to deter predation.
El motmot de corona azul (Momotus momota) es un ave Neotropical grande y omnvora. Momotus momota demuestra varios rasgos de historia natural, que lo hacen vulnerable a emboscadas por depredadores, como tambin tiene adaptaciones para sealar y repeler depredadores. Como otros motmot realiza un movimiento de su cola exagerado, cuando est expuesto al estmulo de depredadores visuales. Yo estudie las diferentes reacciones a 4 tratamientos para examinar la importancia del estmulo cuando el motmot ha localizado visualmente al depredador. Yo presentaba un ave modelo o una vocalizacin a los motmots y observe sus reacciones. Los motmots movan ms la cola cuando vena un depredador (p=0.0009), tambin era menos probable que interrumpieran su comportamiento normal cuando fueron presentados con estmulos de no depredadores. Estos resultados apoyan los estudios previos que sugieren que los motmots mueven su cola para repeler depredadores.
546
Text in English.
650
Birds--Behavior
Animals--Adaptation
Predation (Biology)
Costa Rica--Puntarenas--Monteverde Zone
4
Aves--Comportamiento
Animales--Adaptacin
Depredacin (Biologa)
Costa Rica--Puntarenas--Zona de Monteverde
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Tropical Ecology Spring 2010
Ecologa Tropical Primavera 2010
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Reports
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CIEE
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t Monteverde Institute : Tropical Ecology
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u http://digital.lib.usf.edu/?m39.310



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