Defining the active space of cane toad (Rhinella marina) advertisement calls: males respond from further than females

Muller, Benjamin J., Pike, David A., and Schwarzkopf, Lin (2016) Defining the active space of cane toad (Rhinella marina) advertisement calls: males respond from further than females. Behaviour, 153 (15). pp. 1951-1969.

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Many animals produce advertisement vocalisations to attract mates. A vocalisation's active space is the area within which a receiver responds to it, while its maximum extent occurs when a receiver stops responding. We mapped behavioural responses of male and female cane toads (Rhinella marina) to advertisement calls, by conducting experimental playbacks to: (i) examine attenuation of a cane toad call, (ii) define the active space of these vocalisations, by measuring phonotaxis at different distances from the call, and (iii) quantify the active space of calls for both sexes, separately. The call was fully attenuated 120-130 m from its source. Both sexes displayed positive phonotaxis 20-70 m from calls. Males also displayed positive phonotaxis 70-120 m from calls, whereas females' movement preferences were random >70 m from a call. Differences between male and female responses were likely driven by differences in their use of information provided by calls.

Item ID: 46666
Item Type: Article (Research - C1)
ISSN: 1568-539X
Keywords: acoustic communication, active distance, anuran communication, auditory threshold, calling, mate attraction, phonotaxis, signal-to-noise ratio, sound production
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A version of this publication was included as Chapter 3 of the following PhD thesis: Muller, Benjamin John (2018) An examination of cane toad (Rhinella marina) behaviour: how can we use this knowledge to refine trapping regimes? PhD thesis, James Cook University, which is available Open Access in ResearchOnline@JCU. Please see the Related URLs for access.

Funders: Australian Research Council (ARC), Animal Control Technologies
Projects and Grants: ARC Linkage Grant LP10020032
Date Deposited: 14 Dec 2016 07:43
FoR Codes: 41 ENVIRONMENTAL SCIENCES > 4104 Environmental management > 410401 Conservation and biodiversity @ 100%
SEO Codes: 96 ENVIRONMENT > 9605 Ecosystem Assessment and Management > 960505 Ecosystem Assessment and Management of Forest and Woodlands Environments @ 100%
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