SCIENTIFIC NAME: Ramphomicron dorsale
The Black-Backed Thornbill is a species of hummingbird in the family Trochilidae.
It measures about 3.94 inches in length and has an extremely short-bill.
Males have a black back and green throat; the throat patch is reduced on young birds.
Females have spotted underparts and white tail tips.
CALL: Described as short "trrr" sounds.
Feeds of arthropods and the nectar of Ericaceae, Erythrina, Lobeliaceae, Melastomataceae, Puya, Rubiaceae and Salvia.
Visits feeders on rare occasions.
Subtropical or tropical moist montane forest and subtropical or tropical high-altitude grassland.
Sierra Nevada de Santa Marta.