Supporting data for Stephens et al.: The limits to population density in birds and mammals

<b>Supplementary data for the Ecology Letters paper: The limits to population density in birds and mammals (by Stephens, Vieira, Willis &amp; Carbone).</b><br><br><br><b>The data set contains the following columns:</b><br>Class = Taxonomic class (AVES, birds; or MAMMALIA, mammals);<br>Order = Taxonomic order;<br>Species = Latin binomial;<br>Density.source = compendium from which the density estimate was obtained (see details below);<br>Mass.kg = Body mass in kilograms;<br>Density.km2 = Density in number of individuals per square kilometre;<br>logMass = Log to base 10 of the body mass;<br>logDensity = Log to base 10 of the density;<br>Guild = Trophic guild, coarsely partitioned into 3 categories (Herbivore, Omnivore or Carnivore);<br>Guild.source = compendium from which the guild information was obtained (see further below).<br><br><br><b>Density sources</b><br>Densities are taken from the cited papers and compendia. Reference details are given in the second sheet of the Excel file.<br><br><br><b>Guild sources</b><br>Guild data for birds were taken from the BirdLife data base of the birds of the world. For mammals, guild data are predominately from the Animal Diversity Web (ADW; see Myers et al. 2016 The Animal Diversity Web. http://animaldiversity.org.). A smaller number are from the Pantheria data sets (Jones et al. 2009 PanTHERIA: a species-level database of life history, ecology, and geography of extant and recently extinct mammals. Ecology, 90, 2648–2648) and from the IUCN Red List (IUCN 2018 The IUCN Red List of Threatened Species. http://www.iucnredlist.org). Finally, a small number of guild assignments link to specific web sources or give specific citations (Details of which are in the 3rd sheet of the Excel file).