What Does a Violet-Crowned Hummingbird Look Like? Both male and female violet-crowned hummingbirds measure about 4 inches with snowy white underparts. No other U.S. hummingbird shares the starkly ...

What Does a Rivoli’s Hummingbird Look Like? An adult male Rivoli’s hummingbird has that classic hummingbird shimmer, but they’re even more dazzling than many of the other types of hummingbirds in the ...