A female Pale-spotted Swallowtail Butterfly, Papilio erostratus, in the Atitlan Nature Reserve near Panajachel, Guatemala. The females have pink spots, while the males have white ones. This butterfl...

England, London, Westminster, Do Not Feed the Animals sign in Regents Park.

England, London, Westminster, Do Not Feed the Animals sign in Regents Park.

Animals, Birds, A Black-bellied Hummingbird, Euperusa nigriventris, approaches a tropical flower of the Kohleria genus of the Gesneriaceae or African Violet family, to feed, and in the process, pollin...

Animals, Birds, A Black-bellied Hummingbird, Euperusa nigriventris, approaches a tropical blueberry flower to feed, and in the process, pollinates the flowers as it flies from one to the next. Costa R...

Animals, Birds, A Black-bellied Hummingbird, Euperusa nigriventris, warns off a Coppery-headed Emerald Hummingbird, Elvira cupreiceps, attempting to feed on a hairy heliconia flower, Heliconia velleri...

Animals, Birds, A Black-bellied Hummingbird, Euperusa nigriventris, approaches a tropical blueberry flower to feed, and in the process, pollinates the flowers as it flies from one to the next. Costa R...

Animals, Birds, A Coppery-headed Emerald and a Rufous-tailed Hummingbird feed together on a Lobster Claw Heliconia in Costa Rica.

Animals, Birds, A Coppery-headed Emerald Hummingbird approaches a tropical Kohleria flower in Costa Rica. The bird is also pollinating the flowers as it moves from one to another to feed.

Animals, Birds, A female Green-crowned Brilliant Hummingbird, Heliodoxa jacula, approaches a yellow Costus flower to feed in Costa Rica.

Animals, Birds, A Green Thorntail Hummingbird, Discosura conversii, coming in to feed on a tropical blueberry 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.