Flight is instinctive, but skill is learned. At Great Spirit Bluff, peregrine falcon fledglings Thomas, Jaycie, and Kami are learning to hit moving targets in high-speed dives, turn and brake sharply in pursuit flights, and build muscle as they play and pursue one another, small birds, and Newman through the sky. In Falcon, Helen McDonald writes that falcons are playful in the nest, grabbing sticks, stones, and feathers in their feet, turning their heads upside down to watch buzzing flies
The Raptor Resource Project