Animals, Birds, A Black-bellied Hummingbird, Euperusa nigriventris, feeds on the nector of a tropical Hairy Heliconia flower, Heliconia vellerigera, and in the process, pollinates the flowers as it fl...

Animals, Birds, A Black-bellied Hummingbird, Euperusa nigriventris, feeds on the nector of a tropical flower of the Kohleria genus of the Gesneriaceae or African Violet family, and in the process, pol...

Animals, Birds, A Black-bellied Hummingbird, Euperusa nigriventris, feeds on the nector of a tropical blueberry flower, and in the process, pollinates the flowers as it flies from one to the next. Cos...

Animals, Birds, A male Coppery-headed Emerald Hummingbird, Elvira cupreiceps, feeds on the nector of a neotropical blueberry flower 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 Rattlesnake Plant in Costa Rica.

Animals, Birds, A male Green-crowned Brilliant Hummingbird, Heliodoxa jacula, feeds on the nectar of a tropical Rattlesnake Plant in Costa Rica.

Animals, Birds, A female Green-crowned Brilliant Hummingbird, Heliodoxa jacula, feeds on the nectar of a tropical Costus flower 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, feeds on the nectar of a tropical Hot Lips flower in Costa Rica.

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 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...