Archilochus Colubris -

This species is exceptionally small, measuring approximately 7–9 cm in length with a wingspan of about 10 cm. Adults typically weigh between 2 and 6 grams. Coloration: Both sexes feature iridescent green upperparts.

Distinguished by a brilliant, ruby-red iridescent throat (gorget) that can appear black in certain lighting. archilochus colubris

Their specialized wing anatomy allows them to rotate their wings nearly 180 degrees, enabling them to fly forward, backward, and hover in place. Migration and Distribution Fracture Hunting in Ruby-Throated Hummingbirds ... - PMC This species is exceptionally small

Lack the red throat, possessing instead a whitish throat and underparts. enabling them to fly forward

The ( Archilochus colubris ) is a remarkable avian species, known for being the only hummingbird that regularly breeds in eastern North America. Physical Characteristics