22 Interesting Facts About Ruby-Throated Hummingbirds

1. The ruby-throated hummingbird is the only species of hummingbird that regularly nests east of the Mississippi River in North America. 2. Adult male ruby-throated hummingbirds have brilliant red throats; females and immature have white throats with variable amounts of red spotting. 3. Both sexes have green backs and flanks, white underparts, and dark tails…