Birdology: Adventures with a Pack of Hens, a Peck of Pigeons, Cantankerous Crows, Fierce Falcons, Hip Hop Parrots, Baby Hummingbirds, and One Murderously Big Living Dinosaur

by Sy Montgomery

mockingbirds, mimicry allows a male to expand his song repertoire, a crucial advantage when females prefer the male with the most songs.