Birds & Blooms on MSN4d
Calliope Hummingbird: Smallest Bird in the U.S.
Learn what a Calliope hummingbird looks like, where to find these tiny birds in the U.S., and how to attract them.
National Geographic news3y
Broad-Tailed Hummingbird
Adult male: rose-red gorget with pale chin and ... Also see female and immature calliope hummingbird.