First produced in 1999 with over 8 million sold, our Limited Edition 20th Anniversary 8-inch Original Singing Bird Clock® includes twelve beautiful birds and corresponding sounds from some of the most recognized Birds in North America – one at the top of each hour. Framed in Green Matte, this clock features images and high end authentic bird recordings. Detailed packaging provides bird habits and habitat information. Perfect for wall or desk, using the built-in stand. Light sensor deactivates songs when room is dark.