Instead, the name hummingbird comes from the buzzing sound that these tiny critters ... Ruby-throated hummingbirds, Rufous hummingbirds, and Allen's hummingbirds are not known to sing.

A common species of western mountains, where the male’s diagnostic, cricketlike wing trill is a characteristic sound ... less rufous at base. Female/immature rufous/Allen’s hummingbirds ...