An adult long-tailed hermit (Phaethornis superciliosus), in Nauta Cano at night, Pacaya-Samiria Reserve, Nauta, Peru, South America

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

Green Hermit (Phaethornis guy), male in flight feeding on flower, Central Valley, Costa Rica, Central America

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