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

(Adjusted for body length, the Allen’s is the fastest bird in the world. Diving at 385 body lengths per second, this hummer beats the peregrine falcon’s dives at 200 body lengths per second—and