A little bird is having a hard time learning how to whistle. But the other birds can whistle! And so can the train. And the people in the city. And the animals in the zoo. And the police officer directing traffic. How can this frustrated bird learn how to whistle like they can?Joy and Heron, The Present, My Mum is an Airplane, Cloudy, Norman McLaren’s Le Merle, and Fine Feathers by Evelyn Lambart.