Audubon Birds and Squirrels by Wild Republic. You will want to collect them all! With every gentle squeeze each plush bird sings an authentic birdcall provided by the Cornell Lab of Ornithology. Made with attention to every detail, each bird and squirrel closely resembles the original species. Every bird and squirrel comes with its own educational booklet with information on the species, its migration pattern and habitat. A perfect gift, especially for children! Start your collection today!