Steely-vented Hummingbird Saucerottia saucerottei

Fairly small dark hummingbird, green overall with dark blue tail. Straight, medium-length bill. Sexes similar. Usually seen feeding singly in flowers along forest edge, shrubby second growth, and gardens. Separated from Emeralds by longer bill, blue-and-white vent, bronze patch on rump, and less deeply forked tail.