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- W3197848700 abstract "Abstract Most sexual weapons in sexual combat and visual displays of dominance (e.g., antlers, horns) show positively allometry with body size for both growth during development and evolution across species, but allometry in species with more than one sexual weapon is unstudied. We examined the allometric relationships between body size and tusks (pure combat weapons) and/or antlers (both a visual signal and combat weapon) from forty-three artiodactyl species including the muntjaks (Muntiacinae), which uniquely have both antlers and tusks. We found that in Muntiacinae antler length scales positively allometrically with skull length, whereas tusk size scales isometrically suggesting greater energy investment in antlers as signals over tusks as combative weapons when both are present. Interspecifically, we found that species who possess only one weapon (either solely tusked or solely antlered) scaled positively allometrically with body mass, and the latter relationship levels off at larger body sizes. In our tusk analysis, when we included Muntiacinae species the positive allometric trend was not conserved resulting in an isometric relationship suggesting the possession of antlers negatively affect the energy investment in tusks as weapons. Overall, our findings show that species that possess dual weapons unproportionally invest energy in the development and maintenance of their multiple weapons." @default.
- W3197848700 created "2021-09-13" @default.
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- W3197848700 date "2021-09-01" @default.
- W3197848700 modified "2023-10-16" @default.
- W3197848700 title "Sizing Up Swords: Correlated Evolution of Antlers and Tusks in Ungulates" @default.
- W3197848700 doi "https://doi.org/10.21203/rs.3.rs-852291/v1" @default.
- W3197848700 hasPublicationYear "2021" @default.
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