Wild Republic Audubon Birds Blue Grosbeak Plush with Authentic Bird Sound, Stuffed Animal, Bird Toys for Kids & Birders Kids and adults love this bird stuffed animal and are captivated by its realistic sound. They are also great baby toys and used as sensory toys. With one squeeze, Audubon birds produce beautifully authentic bird calls provided by the Cornell lab of Ornithology bird recording archives. Designed in partnership with the Audubon Society, this plush toy has realistic details, and its bird call will be music to your ears. Great gift idea for the avid bird watcher, or as an educational toy for kids. Your child will enjoy playing with these bird stuffed animals. Audubon birds are about 5 inches in size, and this birds high-quality materials make it durable enough to withstand hours of fun.