the.com/penguin
a bird that traded the sky for tuxedos and 20-knot underwater barrel rolls
speed swimmerSome species hit 22 mph underwater
pebble proposalsMales court mates with carefully chosen stones
warm feetSpecial arteries keep feet just above freezing
ancient giantsExtinct penguins stood as tall as humans
salt glandsThey drink seawater and sneeze out the salt