Florisuga mellivora (White-necked Jacobin) hovering, Soberania National Park, Republic of Panama, Central America

Bronzy Inca (Coeligena coeligena) on red blossom, flying, rainforest, cloud forest, northern Ecuador, Ecuador, South America

Chestnut-breasted coronet (Boissonneaua matthewsii) in flight, flying, rainforest, cloud forest, northern Ecuador, Ecuador, South America

Purple-throated woodstar (Calliphlox mitchellii), female with pink flower, flying, rainforest, cloud forest, northwestern Ecuador, Ecuador, South America

Violet-capped woodnymph (Thalurania glaucopis) drinking at a flower, Atlantic Rainforest, State of Sao Paulo, Brazil, South America

Violet-capped woodnymph (Thalurania glaucopis) drinking nectar at a flower, Atlantic Rainforest, State of Sao Paulo, Brazil, South America

Dandruff imitation (Phaethornis eurynome) drinking at a flower, Atlantic Rainforest, State of Sao Paulo, Brazil, South America

Stripe-throated Hermit foraging in flight-Costa Rica

White-necked Jacobin male foraging in flight, Costa Rica

Hummingbird hawk-moth in flight, Spain

White-necked Jacobin female foraging in flight, Costa Rica

Green-breasted mango female foraging in flight, Costa Rica

Green-breasted mango female foraging in flight, Costa Rica

Green-breasted mango male foraging in flight, Costa Rica

Green-breasted mango male foraging in flight, Costa Rica

Green-breasted mango male foraging in flight, Costa Rica

White-necked Jacobin foraging in flight, Costa Rica

Green crowned Brilliant female foraging in flight-Costa Rica

White-necked Jacobin female foraging in flight, Costa Rica

Rufous-tailed Hummingbird (Amazilia tzacatl) in a net set up by a researcher as part of a pollination study, rainforest at the "La Selva" research station in Puerto Viejo de Sarapiqui, Costa Rica

Researcher catching Rufous-tailed Hummingbird (Amazilia Tzacatl) in a net set up for pollination study, rainforest at "La Selva" research station in Puerto Viejo de Sarapiqui, Costa Rica

Researchers picking up pollen with a brush from the beak of a Rufous-tailed hummingbird as part of a pollination study, rainforest at the "La Selva" research station in Puerto Viejo de Sarapiqui , Costa Rica

Researcher measuring the beak of a Rufous-tailed hummingbird as part of a pollination study, rainforest at the "La Selva" research station in Puerto Viejo de Sarapiqui, Costa Rica

Researchers picking up pollen with a brush from the beak of a hummingbird Stripe-throated Hermit as part of a pollination study, rainforest at the "La Selva" research station in Puerto Viejo de Sarapiqui, Costa Rica

Researcher measuring a 2.6 gram Stripe-throated Hermit hummingbird wing as part of a pollination study, rainforest at the "La Selva" research station in Puerto Viejo de Sarapiqui, Costa Rica

Researcher photographing a 2.6 gram Stripe-throated Hermit hummingbird as part of a pollination study, rainforest at the "La Selva" research station in Puerto Viejo de Sarapiqui, Costa Rica

Researchers picking up pollen using tape on the beak of a Rufous-tailed hummingbird as part of a pollination study, rainforest at the "La Selva" research station in Puerto Viejo de Sarapiqui, Costa Rica

Sword-billed Hummingbird (Ensifera ensifera), female, confronting a Buff-tailed Coronot (Boissonneaua flavescens), Colombia