Eastern bluebirds are similar to western bluebirds, but have rust-colored throats and completely blue backs.   These were photographed near Venus, Florida, and at the Bosque del Apache refuge in New Mexico, USA.

• Canon 1D Mk. II or 7D2, 500 mm IS lens and 2X converter or 800 mm IS lens and 1.4X converter, fill-in flash (2006, 2017)