Animals Land Mammals Milk Fat: How Mammals Measure Up Infographics By Purch Creative Ops published 11 November 2016 (Image credit: Purch Creative Ops) Sign up for the Live Science daily newsletter nowGet the world’s most fascinating discoveries delivered straight to your inbox.Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors Purch Creative Ops LATEST ARTICLES114,000-year-old ice age 'puppies' were actually wolf sisters that dined on woolly rhino for last meal2Does the color purple really exist?3Science news this week: Overdue earthquakes and star-shaped brain cells4Instead of 'de-extincting' dire wolves, scientists should use gene editing to protect living, endangered species5Scientists discover strong, unexpected link between Earth's magnetic field and oxygen levels