Republic of Ireland, County Donegal, Letterkenny, Tropical World, Butterfly feasting on an orange segment.

Republic of Ireland, County Donegal, Letterkenny, Tropical World, Butterfly feasting on an orange segment.

India, West Bengal, General, School feeding programme. Line of schoolchildren receiving food.

Zebra Longwing or Zebra Heliconia Butterfly, (Heliconius charitonia), feeding on a flower near Panajachel, Guatemala

Three Mexican Silverspot Butterflies, Dione moneta poeyii, on a plant in the Atitlan Nature Reserve near Panajachel, Guatemala.

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, 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, 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, sits on a lobster-claw heliconia while a Green Thorntail Hummingbird, Discosura conversii, hovers nearby in Costa Rica.

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 male Black-bellied Hummingbird, Euperusa nigriventris, pollinates a tropical blueberry flower while a Green Thorntail Hummingbird, Discosura conversii, waits its turn. Costa Rica.