the.com/finch
a pocket-sized songbird whose beak rewrote biology by evolving faster than textbooks could print.
darwin's museGalápagos finch beaks cracked open evolution's whole theory
beak speedTheir bills can shift shape within a single generation
crossbill trickSome have scissoring beaks for prying open pinecones
song schoolYoung finches learn melodies like babies learn speech
global gangOver 200 species sing on nearly every continent