We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleBergmann's rule and body size in mammals.AuthorsFreckleton, Robert P; Harvey, Paul H; Pagel, MarkPublicationThe American naturalist, 2003, Vol 161, Issue 5, p821ISSN0003-0147Publication typeJournal ArticleDOI10.1086/374346