Black-chinned Hummingbird

Black-throated Hummingbird, Archilochus alexandri, is a species of hummingbird that is related to the Ruby-throated Hummingbird.

Similar species
Separating female and immature Black-chinned Hummingbirds from Ruby-throated Hummingbirds can be difficult (Tyler, 2005), and depends on a detailed study of individual primaries and rectrices (Pyle 1997), as cited in Butler, et al. (2007).