Article
Ecology and mode-of-life explain lifespan variation in birds and mammals.
Proceedings. Biological sciences - 7 Jun 2014
Healy Kevin, Guillerme Thomas, Finlay Sive, Kane Adam, Kelly Seán B A, McClean Deirdre, Kelly David J, Donohue Ian, Jackson Andrew L, Cooper Natalie
Abstract excerpt
Maximum lifespan in birds and mammals varies strongly with body mass such that large species tend to live longer than smaller species. However, many species live far longer than expected given their body mass. This may reflect interspecific variation in extrinsic mortality, as life-history theory predicts investment in long-term survival is under positive selection when extrinsic mortality is reduced. Here, we...
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