Mark Feldstein and Associates DLB023GR Original Singing Bird Clock 13 in Green First produced in 1997 and brought back by popular demand, the original singing bird clock includes twelve beautiful songs from some of the most recognized song birds in north america - one at the top of each hour Framed in green matte, this clock features images and authentic recordings from cornell laboratory of ornithology Detailed packaging provides bird habits and habitat information; light sensor deactivates songs when room is dark