Animals, Birds, Territorial competition between a male Magnificent Hummingbird, Eugenes fulgens, at right, and a female Green-crowned Brilliant Hummingbird, Heliodoxa jacula, perched on a yellow Costu...

Animals, Birds, A female Green-crowned Brilliant Hummingbird, Heliodoxa jacula, approaches a Hairy Heliconia flower to feed in Costa Rica. Photographed in high key for artistic effect.

Animals, Birds, A female Green-crowned Brilliant Hummingbird, Heliodoxa jacula, feeds on the nectar of a tropical banana plant in Costa Rica.

Animals, Birds, A female Green-crowned Brilliant Hummingbird, Heliodoxa jacula, feeds on the nectar of a Lobster Claw Heliconia in Costa Rica.

Animals, Birds, A female Green-crowned Brilliant Hummingbird, Heliodoxa jacula, perches on a yellow Costus flower while feeding. A female Purple-throated Mountain-gem Hummingbird, Lamporis calolaemus,...

Animals, Birds, A male Magnificent Hummingbird, Eugenes fulgens, feeds on a tropical Costus flower in Costa Rica. The position of the bird's wing illustrates the figure-eight beat pattern of hummingbi...

Animals, Birds, A male Magnificent Hummingbird, Eugenes fulgens, photographed in flight with high-speed flash to stop the motion. Costa Rica.

Animals, Birds, A male Magnificent Hummingbird, Eugenes fulgens, photographed in flight with high-speed flash to stop the motion. Costa Rica.

Animals, Birds, A female Purple-throated Mountain-gem Hummingbird, Lamporis calolaemus, feeds on the nectar of a Lobster Claw Heliconia flower in Costa Rica.

Animals, Birds, A female Purple-throated Mountain-gem Hummingbird, Lamporis calolaemus, photographed in high key lighting for artistic effect. Costa Rica

Animals, Birds, A female Purple-throated Mountain-gem Hummingbird, Lamporis calolaemus, feeds on the nectar of a tropical Hot Lips Flower in Costa Rica.

Animals, Birds, A female Purple-throated Mountain-gem Hummingbird, Lamporis calolaemus, feeds on the nectar of a torpical Rubiaceae flower in Costa Rica.