The effect of perceived intruder proximity and resident body size on the aggressive responses of male green frogs, Rana clamitans (Anura: Ranidae)

Owen, Patrick C.; Gordon, Noah M.

doi:10.1007/s00265-005-0961-3

Cited by 26 publications

(11 citation statements)

References 59 publications

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“…Further, graded changes, with increasing distance from a receiver, have also been shown to occur for aggressive responses of green frogs and claw-waving displays of fiddler crabs (How et al, 2008;Owen and Gordon, 2005). Along with our results, this suggests the possibility that a continuum of behavioral states may be more common than distinct behavioral states.…”

Section: Discussionsupporting

confidence: 84%

“…Overall, our results provide a simple behavioral mechanism that explains changes in song amplitude with increasing distance from the female. Increases in amplitude of vocalizations with increasing distance from a receiver have been observed for Drosophila song (Coen et al, 2016), frog vocalizations (Owen and Gordon, 2005), bird song (Brumm and Slater, 2006) and human speech (Johnson et al, 1981;Michael et al, 1995). In the case of humans, it had been proposed that higher cognitive abilities like perspective taking, were involved in the ability to increase speech amplitude.…”

Section: Discussionmentioning

confidence: 99%

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Distance-dependent changes in courtship song amplitude reflect song state changes

Suri

Rajan

2018

Preprint

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Many animals increase the amplitude of their vocalizations as distance from a receiver increases.However, behavioral mechanisms underlying this increase remain unclear. Here, we addressed this using head-attached microphones to accurately record song amplitude in male zebra finches while presenting a female at difference distances. We show that individual courtship song syllables either increased (5/13) or decreased their amplitude (4/13) as distance from the female increased. Both increases and decreases were part of more general acoustic changes that resulted in properties more similar to those of "undirected" songs typically produced in the absence of a female. Increasing distance also reduced female responses to songs and absence of female responses reduced courtship song amplitude and number of songs per bout. These data suggest a simple behavioral mechanism where distance-dependent song amplitude changes reflect song state changes. Such state changes may be a general mechanism underlying distance-dependent amplitude changes in other organisms.

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Section: Discussionsupporting

confidence: 84%

Section: Discussionmentioning

confidence: 99%

Distance-dependent changes in courtship song amplitude reflect song state changes

Suri

Rajan

2018

Preprint

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“…Several studies suggest that anuran response to variable call amplitude has consequences based on the relationship between amplitude and distance. Males respond more aggressively as neighboring males’ call amplitude increases (Wells & Schwartz 1984; Owen & Gordon 2005). Call amplitude of neighboring males can also influence nearest neighbor distances in choruses (Brenowitz et al.…”

Section: Introductionmentioning

confidence: 99%

Proximity‐dependent Response to Variably Complex Mating Signals in Túngara Frogs (Physalaemus pustulosus)

Akre

Ryan

2010

Ethology

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The plasticity of animal behavior allows individuals to maximize fitness in a wide range of contexts. Both production of and preference for mating signals are context‐dependent according to internal factors such as hormonal state, and external factors such as predation risk. In many species, male‐to‐female proximity also defines an important context for mating communication. Males often possess short‐distance courtship signals, and females often exhibit distance‐related variation in signal response. Such variation in response may occur when a signal’s relevance changes with male‐to‐female distance, but it may also result from perceptual constraints that are unrelated to fitness. Túngara frogs produce variably complex advertisement calls, and sexual selection theory predicts that females should prefer calls of greater complexity. Preference tests, however, have not demonstrated consistent trends for preference between calls of variable complexity. We tested whether proximity to males influences female response to variable signal complexity and found that both preference and memory for signal complexity are proximity‐dependent.

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“…An alternative strategy is to alter the structure of a given signal to compensate for greater receiver distances. For example, male zebra finches, Teaniopygia guttata, increase the amplitude of courtship vocalisations for longer range signalling (Brumm and Slater 2006), while male green frogs, Rana clamitans, modulate the rate, frequency and duration of their acoustic calls (Owen and Gordon 2005). Comparatively little attention has been paid to the context in which movement-based signals are performed.…”

Section: Introductionmentioning

confidence: 99%

Movement signal choreography unaffected by receiver distance in the Australian Jacky lizard, Amphibolurus muricatus

Peters

Allen

2009

Behav Ecol Sociobiol

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Theory explains the structure of animal signals in the context of the receiver sensory systems, the environment through which signals travel and their information content. The influence of signalling context on movementbased signalling strategies is becoming clearer. Building upon recent findings that demonstrated changing environmental plant motion conditions resulted in a change of signalling strategy by the Australian lizard Amphibolurus muricatus, we examined whether receiver distance also influences signalling strategies. We found that signalling lizards did not modify their introductory tail flicking in response to distant viewers in the absence of competing, irrelevant plant image motion despite significant reductions in signal structure at the eye of the viewer. The magnitude of resultant effect sizes strongly suggests that receiver distance does not contribute to signalling strategies as much as the presence of motion noise in the environment.

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The effect of perceived intruder proximity and resident body size on the aggressive responses of male green frogs, Rana clamitans (Anura: Ranidae)

Cited by 26 publications

References 59 publications

Distance-dependent changes in courtship song amplitude reflect song state changes

Distance-dependent changes in courtship song amplitude reflect song state changes

Proximity‐dependent Response to Variably Complex Mating Signals in Túngara Frogs (Physalaemus pustulosus)

Movement signal choreography unaffected by receiver distance in the Australian Jacky lizard, Amphibolurus muricatus

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