The Rivoli's hummingbird is a striking, shimmery flier. Learn how to identify these gorgeous birds and why their name was ...

Iridescent purple bow ties are the telltale signs of black-chinned hummingbirds. This species is a common backyard visitor in ...

Adult female: throat and underparts spotted and mottled dusky to bronzy green, median throat blotched ... without dusky throat spotting. See black-chinned hummingbird.