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The Effect of Potential and Actual Paternity on Positive Male-Infant Behaviour in Ursine Colobus

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Advisor
Sicotte, Pascale
Author
Fox, Stephanie
Accessioned
2015-04-30T21:40:30Z
Available
2015-06-22T07:00:49Z
Issued
2015-04-30
Submitted
2015
Other
Colobus vellerosus
Sexual Conflict
Paternity Testing
Kin recognition
Male Infanticide
Paternal Care
Subject
Anthropology
Type
Thesis
Metadata
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Abstract
I aimed to investigate the interplay between paternal care and male infanticide in primates. I examined the effects of potential and actual paternity on positive male infant interactions in wild ursine colobus. I collected behavioural data on 12 adult and sub-adult males. Infants that were conceived when a male was sexually active and present in the infant’s group were considered potential offspring of that male. I used DNA from fecal samples to determine paternity for 12 of the 16 infants in my study groups. Positive male-infant behaviour occurred at higher rates between males and potential offspring than males and unlikely offspring, and occurred more with infants than juveniles. These findings support the hypothesis that positive male-infant behaviour reflects paternal care, which possibly evolved in response to male infanticide. Paternity did not predict positive male-infant behaviour, suggesting that females may be successfully confusing paternity through polyandrous mating in the current conditions.
Corporate
University of Calgary
Faculty
Graduate Studies
Doi
http://dx.doi.org/10.11575/PRISM/28090
Uri
http://hdl.handle.net/11023/2203
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