[Bluebird]
[Northern Cardinal]
[Cardinal Christmas Tree]
[Cardinal Birdhouse]
[Wren]
[Magnificent Hummingbird]
[Great Egret]
[Bird in Nest]
[Santa Bird]
[Red-crested Cardinal]
[Calling Bird]
[Bright Blue Jay]
[Blue Lovebird]
[Robin]
[Resting Cardinal]
[Red Lovebird]
Birds are symbols of happiness and joy, so they are regarded as a necessity on the Christmas tree. Glassblowers often kept wild birds during the winter months since the sound of the gas flame in the workshop prompted the birds to sing. Then when spring arrived, the birds returned to freedom.