Join researcher and master bird bander Lanny Chambers of Fenton, Mo., as he captures and studies these fascinating little flying machines. Learn about the secret world of the hummingbird as they are banded and released. These demonstrations will take place at the hummingbird garden in front of the Dorman L. Steelman Lodge at Montauk. The demonstration is free. For more information, contact the park naturalist at 573-548-2225.