" Gr-EEN! YEL-low! OR-ange!” Griffin cries in quick succession. He’s just naming random colors—all except the right one. Except, of course, his words aren’t really chosen at random. “You notice he always says the name of a color,” Arlene points out. “He understands the category. "

― Sy Montgomery , 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