Alarm calls and chick reactions in the moustached warbler, Acrocephalus melanopogon
Article Abstract:
The chicks of moustached warblers exhibit strong anti-predator behavior, such as ducking and jumping, in response to parental alarm calls. A close correlation exists between the probabilities of anti-predator responses and alarm calls. The chicks' responses vary from predator to predator. They tend to remain in the nest in response to aerial predators and hop from the nest in response to ground predators. The anti-predator behavior is determined using an experimental human approach method as well as two predator types, a plastic snake and taxidermic raptor.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1996
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Alarm calls and chick reactions: distinguishing between levels of analysis. A reply to Curio
Article Abstract:
Chick reactions are not the proximate cue for parental alarm calls, as the proximate hypothesis is supported only by correlational and indirect evidence. Only indirect evidence is provided that alarm calls may be directed towards chicks through the comparison of the presence or absence of parent alarm calls to various predator types and chick responses. It is proposed that the cue on which parents base their decision to increase the probability of alarm calling in the later nestling stage is when adaptive antipredator chick responses begin.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1998
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Clarification of the chick reaction hypothesis
Article Abstract:
Halupka and Halupka point out errors in sampling and data interpretation in the study of alarm calling by parents and the reaction of nestlings in Acrocephalus melanopogon or moustached warbler. Sampling error should not be a cause for concern, because the error about which they are concerned is one of analysis. Reactions to Halupka and Halupka are presented, and the issues that they raise are clarified.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1998
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