Body size evolution in mammals: complexity in tempo and mode.

  title={Body size evolution in mammals: complexity in tempo and mode.},
  author={Natalie R Cooper and Andy Purvis},
  journal={The American naturalist},
  volume={175 6},
Body size correlates with virtually every aspect of species biology, so understanding the tempo and mode of its evolution is of key importance in macroecology and macroevolution. Here we use body mass data from 3,473 of 4,510 extant mammalian species and an almost complete species-level phylogeny to determine the best model of log(body mass) evolution across all mammals, split taxonomically and spatially. An early-burst model fits better across all mammals than do models based on either… CONTINUE READING
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