Amazonia de cola rufa (Amazilia tzacatl) is a medium-sized hummingbird found from central-eastern Mexico to Central America and Colombia, east of western Venezuela and south of western Ecuador near the border with Peru. The hummingbird Largest shield from the island Escudo de Veraguas in Panama is commonly considered a subspecies of the hummingbird amazilia of rufa tail.
This species is common to abundant in open fields, on riverbanks, forests, shrubs, on the edge of the forest, coffee plantations and gardens with levels up to 1850 meters.
The adult Cola Rufa amazilia hummingbird is 10 to 12 centimeters long and weighs approximately 5.2 grams. The neck is green (with white border on the female), the crown, the back and the side are green with golden touches, the belly has a pale gray color, the back hole is drilled and the slightly shaped tail of a fork is rufa with the dark tip. The almost straight bill is red with a black tip; wider at the top of the jaw, which would make it look all black. Young hummingbirds are virtually identical to the female. The song of the hummingbird is a low chut, and the singing of the male is a whistle Ttse we ts' we tse tse wip tseek tse .The female of the hummingbird amazilia of tail rufa is totally responsible for the construction of the nest and the incubation. The female places two white eggs in a compact nest built of plant fibers and dead leaves at a height of 1.6 meters on a thin horizontal branch. The incubation takes from 15 to 19 days, and they will take another 20 to 26 days more to leave the feathers that cover it.