-Authentic - sold by the creator of the Original Singing Bird Clock -Our Limited Edition 20th Anniversary 13-inch 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. -Light sensor deactivates songs when room is dark.