Animals, Birds, A male Blue-chested Hummingbird, Amazilia amabilis, perched on a branch in the Rainforest Discovery Center in Panama.

Animals, Birds, A Green Hermit Hummingbird, Phaethornis guy, and a Coppery-headed Emerald Hummingbird, Elvira cupreiceps, in flight in Costa Rica.

Animals, Birds, A Green Hermit Hummingbird, Phaethornis guy, in flight in Costa Rica.

Animals, Birds, A male Steely-vented Hummingbird, Amazilia saucerrottei, feeds on the nector of a Porterweed flower near the Arenal Volcano in Costa Rica.

Animals, Birds, A male Steely-vented Hummingbird, Amazilia saucerrottei, feeds on the nector of a Porterweed flower near the Arenal Volcano in Costa Rica.

Animals, Bird, Hummingbird, A male Violet Sabrewing Hummingbird, Campylopterus hemileucurus, photographed with a combination of ambient light and high-speed flash to freeze most of the motion but to a...

Animals, Bird, Hummingbird, A male Violet Sabrewing Hummingbird, Campylopterus hemileucurus, photographed with a combination of ambient light and high-speed flash to freeze most of the motion but to a...

Animals, Bird, Hummingbird, A male Violet Sabrewing Hummingbird, Campylopterus hemileucurus, photographed with a combination of ambient light and high-speed flash to freeze most of the motion but to a...

Animals, Bird, Hummingbird, A male Violet Sabrewing Hummingbird, Campylopterus hemileucurus, photographed with a combination of ambient light and high-speed flash to freeze most of the motion but to a...