Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/7396
Title: Mechanisms of Mate Investment in the Polygamous Fowl, 'Gallus gallus'
Contributor(s): Wilson, David R (author); McDonald, Paul (author)orcid ; Evans, Christopher S (author)
Publication Date: 2010
DOI: 10.1111/j.1439-0310.2010.01800.x
Handle Link: https://hdl.handle.net/1959.11/7396
Abstract: Male fowl ('Gallus gallus') that have recently mated invest in their mates by producing antipredator alarm signals at a higher rate. It remains unclear, however, whether these males are investing judiciously in their mates, or responding more generally to recent mating success. Here, we manipulated each male’s mating experience with two different females to test whether males invest selectively in their mates. For 1 wk, males could interact with both females, but could mate with only one of them. In the second week, we removed either the mated or the unmated female and measured the male’s rate of alarm calling. Males did not invest preferentially in their mates, suggesting that increased alarm calling is a more general response to recent mating experience. This relationship could be based on a relatively simple cognitive rule of thumb or on an underlying physiological mechanism. Testosterone and corticosterone are associated with reproduction and antipredator behaviour in other species and so could provide the necessary physiological link in fowl. To test this, we measured plasma levels of testosterone and corticosterone before, during and after mating. Results show that hormone levels did not change as a function of male mating status and hence cannot provide the link between mating and calling behaviour. Instead, we suggest that a general cognitive mechanism is more likely to explain prudent mate investment in this species.
Publication Type: Journal Article
Source of Publication: Ethology, 116(8), p. 755-762
Publisher: Wiley-Blackwell Verlag GmbH
Place of Publication: Berlin, Germany
ISSN: 0179-1613
1439-0310
Field of Research (FOR): 060801 Animal Behaviour
060201 Behavioural Ecology
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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Appears in Collections:Journal Article
School of Environmental and Rural Science

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