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Rensching Cats and Dogs: Feeding ecology and fecundity trends explain variation in the allometry of sexual size dimorphism

Abstract:

The tendency for sexual size dimorphism (SSD) to increase with body mass in taxa where males are larger, and to decrease when females are larger, is known as Rensch’s Rule. In mammals, where the trend occurs it is believed to be the result of a competitive advantage for larger males, while female mass is constrained by the energetics of reproduction. Here, we examine the allometry of SSD within the Felidae and Canidae, demonstrating distinctly different patterns: in felids there is positive a...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1098/rsos.170453

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Department:
Pembroke College
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Author
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Department:
Oxford, MPLS, Zoology
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Author
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Department:
Oxford, MPLS, Zoology
Role:
Author
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Rhodes Trust More from this funder
Natural Sciences and Engineering Research Council of Canada More from this funder
Smithsonian Institution More from this funder
Publisher:
Royal Society Publisher's website
Journal:
Royal Society Open Science Journal website
Volume:
4
Pages:
170453
Publication date:
2017-06-05
Acceptance date:
2017-06-01
DOI:
EISSN:
2054-5703
Pubs id:
pubs:698481
URN:
uri:ef7168e6-8557-40e5-8b94-1b24222dc402
UUID:
uuid:ef7168e6-8557-40e5-8b94-1b24222dc402
Local pid:
pubs:698481

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