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 ...

With more than 50 species found in this small country, the hummingbirds of Costa Rica put on an amazing show. Here are eight ...

Adult male: black throat with violet-blue lower band. Adult female: black-violet spots rare on throat. Immature male: Throat usually has black-violet spots.