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

In birds of prey, the eyes weigh more than the brain. The two eyes are twice as large as the brain itself. They need to be huge.