Blue Jay, North America
Bluebird, North America
Indigo Bunting, North America
Eastern Bluebird, North America
Tree Swallow, North America
Blue Grosbeak, North America
European Blue Tit, Europe
Himalayan Blue Tail, Asia
Blue-winged Warbler, North America
Azure Kingfisher, Australia
Purple Martin, North America
Blue-capped Rock-thrush, Asia
SEE MORE