Tiny animalsNovember 13, 2012 at 12:30 PMLink CopiedRead full article1 / 11Itsy-Bitsy Endangered Frog Bred in Bid to Save SpeciesA baby limosa harlequin frog on a U.S. quarter.Brian Gratwicke, Smithsonian Conservation Biology InstituteA look at some of our planet’s smallest creatures. View comments