4. Study their moves. Pay close attention to the birds' movements, and soon you'll be able to predict what they're about to do, and plan your shot accordingly. Most ducks, geese, and swans bob their heads up and down, call out, and turn toward the wind before liftoff. Dabbling ducks, such as mallards, take off almost vertically. Diving birds such as coots require a running start, as do swans and geese.