Merlin Bird ID by the Cornell Lab helps you identify birds you see and hear. The app leverages eBird, the world's largest database of bird sightings, sounds, and photos. With four methods of identification—answering questions, uploading photos, recording bird sounds, or exploring birds in a region—Merlin offers a user-friendly and comprehensive bird identification experience. Trained on millions of photos and sounds collected by birders worldwide, Merlin provides highly accurate results, making it a trusted resource for both amateur and expert bird watchers.