Pursuit-deterrent signals: communication between prey and predator

Hasson, Oren

doi:10.1016/0169-5347(91)90040-5

Cited by 208 publications

(145 citation statements)

References 23 publications

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“…First, A. cristatellus had a greater diversity of anti-predator behaviours in the field than before being attacked by living Alsophis portoricensis in the laboratory, where anoles showed only immobility, dewlapping and crouching (body is flattened against the substrate). During laboratory trials, anoles were never more than 50 cm away from the snakes, but in the field this distance was never less than 1 m. The distance to the predator can limit the prey's use of predator deterrent signals (Hasson 1991). Thus, the anoles' limited behavioural diversity in the laboratory before being attacked by the snakes may have been a consequence of conducting these trials in relatively small cages.…”

Section: Discussionmentioning

confidence: 99%

“…In social interactions in polychrotid and phrynosomatid lizards, this difference in the structural pattern of push-ups is related to the intensity or aggressiveness of the interaction (Jenssen 1977;Martins 1993), with anoles using four-legged push-ups during highly aggressive inter-male encounters (Ortiz & Jenssen 1982;Losos 1985). Because a predator can infer that it has been detected by the degree of alertness shown by the prey (Hasson 1991), four-legged push-ups may be more effective than two-legged push-ups in communicating to the snake that it has been detected.…”

Section: Discussionmentioning

confidence: 99%

“…The distance at which the prey starts signalling to a predator is related to the prey's escape ability; the better the escaping abilities of the prey, the shorter this distance is (Woodland et al 1980;Caro 1986;Hasson 1991). Anolis cristatellus is a scansorial lizard with morphological adaptations for effective locomotion on tree trunks (i.e.…”

Section: Discussionmentioning

confidence: 99%

“…Scenarios to explain the evolution of conspicuous signalling displays by males typically involve processes in which the signals are used during social interactions, thus usually implying the action of sexual selection (Ryan 1994). None the less, mounting evidence supports the alternative hypothesis that conspicuous signals can also evolve for communication between predators and their prey (Hasson 1991;Caro 1995).…”

mentioning

confidence: 95%

“…visual, auditory, chemical), which ultimately alters the probabilities of their respective actions (Hasson 1991) and consequently the outcome of the encounter. Two main hypotheses may explain the evolution of conspicuous signals due to predatorprey interactions (Hasson et al 1989).…”

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confidence: 99%

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Signalling displays during predator–prey interactions in a Puerto Rican anole,Anolis cristatellus

1997

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Abstract. We examined conspicuous signalling displays in the context of predator-prey interactions. To determine in which context Puerto Rican crested anoles, Anolis cristatellus, perform conspicuous signals, we exposed wild lizards to a model of a natural snake predator. The lizards gave six behavioural responses to the model: immobility, predator inspection, flight, lateral face-off, dewlapping and push-ups. They displayed significantly more push-ups and push-up bouts in the presence of the snake model. Alternative theories regarding the function of conspicuous signals in A. cristatellus, the flash concealment and predator deterrent hypotheses, were also tested. The flash concealment hypothesis proposes that the sudden display exhibition of signalling behaviour followed by the flight of the animal may confuse the predator about the position of the prey, thus causing the predator to abort the attack. The pursuit deterrent hypothesis contends that because the chances of the predator successfully attacking its prey decrease when the prey is aware of the incoming predator, prey have evolved signalling behaviours that communicate to the predator that it has been detected, therefore discouraging the attack.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 95%

mentioning

confidence: 99%

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Signalling displays during predator–prey interactions in a Puerto Rican anole,Anolis cristatellus

1997

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Terrestrial predator alarm vocalizations are a valid monitor of stress in captive brown capuchins (Cebus apella)

1999

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The vocal behavior of captive animals is increasingly exploited as an index of well‐being. Here we show that the terrestrial predator alarm (TPA) vocalization, a robust and acoustically distinctive anti‐predation vocal response present in many mammal and bird species, offers useful information on the relative well‐being and stress levels of captive animals. In a 16‐week experiment evaluating the effects of varying levels of physical environmental enrichment (control < toys < foraging box < foraging box and toys) in the cages of eight singly housed adult male brown capuchins, we quantified the 1) emission rate of TPAs, 2) proportions of normal and abnormal behavior sample intervals, and 3) fecal and plasma cortisol levels. Variation in TPA emission across the experimental conditions was significant. We found significant reductions in the mean TPA production rate by the group in the enriched (toys, foraging box, and foraging box and toys) compared to the control condition; pre‐ and post‐experimental conditions, however, did not differ from the control condition. Mean TPA production by the group was also significantly positively correlated to mean group levels of fecal cortisol and proportion of abnormal behavior sample intervals, and significantly negatively correlated to the average proportion of normal behavior sample intervals in the group. Based on group means, plasma cortisol levels were positively, but not significantly, related to increasing TPA rate. At the level of the responses of an individual subject, however, the covariation between the vocal and non‐vocal behavioral measures and the cortisol assays seldom attained significance. Nevertheless, the direction of the relationships among these parameters within individual subjects typically mirrored those correlations based on group means. At both the group mean and individual levels, our results are consistent with the interpretation that in conditions of low environmental enrichment the study subjects were more stressed, and therefore more reactive to the presence of a threatening terrestrial stimulus (human observer), than when in more enriched conditions. We suggest that protocols to evaluate the effectiveness of enrichment for captive species other than brown capuchins could also profitably exploit TPAs as a first‐line monitor or as corroboratory evidence of current well‐being. Zoo Biol 18:295–312, 1999. © 1999 Wiley‐Liss, Inc.

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Diversity of Mechanisms Involved in Soil Ecological Interactions

Blouin¹

2018

Soils as a Key Component of the Critical Zone 6

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Pursuit-deterrent signals: communication between prey and predator

Cited by 208 publications

References 23 publications

Signalling displays during predator–prey interactions in a Puerto Rican anole,Anolis cristatellus

Signalling displays during predator–prey interactions in a Puerto Rican anole,Anolis cristatellus

Terrestrial predator alarm vocalizations are a valid monitor of stress in captive brown capuchins (Cebus apella)

Diversity of Mechanisms Involved in Soil Ecological Interactions

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