The western counterpart of the ruby-throated, the black-chinned regularly pumps its tail. Monotypic. Length 3.3–3.8"; bill 16–22 mm. Best marks for all ages are narrow inner primaries and ...

Others, like the Rufous hummingbird and Black-chinned hummingbird, are starting to overwinter in the southeast as well as the ...

Costa’s generally plainer on throat and underparts, without dusky throat spotting. See black-chinned hummingbird.