Listen to Natural Bird Calls in the Woods online. Natural Bird Calls in the Woods is an Unknown language song and is sung by Awesome Nature Sounds Ensemble. Natural Bird Calls in the Woods, from the album Spring with Birds Songs – Amazing Sound Effects of Birds, Forest Ambience, Morning Bird Calls for Relaxation, was released in the year 2015. The duration of the song is 4:33. Download Unknown songs online from JioSaavn.