Bovano Enamel Wall Art Calliope Hummingbird Bleeding Heart Flower by Bovano. $120.00. Calliope Hummingbird with Flower This beautiful piece would add style to any home. This piece is of a Calliope hummingbird with pink Bleeding Heart flowers. This piece was designed as wall art. This piece was designed by skilled artisans in Cheshire, Connecticut using vitreous enamel (glass) fused to copper in kilns at 1600 degress. This item is 6"w x 11"h.