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

phaethornis striigularis natural reserve tropical rainforest scientific research sample scientist researcher naturalist ornithology adult man person alone hand pollen carry catch outdoor profile shot day nectarivore march month take brush phaethornis la selva biological station stripe throated hermit phaethornis striigularis nature reserves nature reserve tropical rain forests ombrophile forest shade plants rain forest rainforest rain forests ombrophile forests scientific researches scientific studies scientific study samples specimen specimens sampling samplings scientists researchers naturalists ornithologist ornithologists ornithological ornithologicals adults men human beings persons human being human presence human presences human humans single lonely only solo one lone hands pollens transport hold carried carrying held holding transporting transported transportation caught catching arrest arrested arresting outdoors outsides outside profile sights profile sight profile shots profile view profile views side view days daytime nectarivores least concern species taking taking away brushes estación biológica la selva environment protection environment management biodiversity management environment tropical forest forest area science analysis discipline stage of development individual enumeration morphology zoology morphology organism morphology botany behavior shot ambiance phytophage diet pattern species convention on international trade in endangered species of wild low risk tool material trochilidae apodiformes aves sauropsida tetrapoda tetrapodomorpha rhipidistia sarcopterygii euteleostomi gnathostomata vertebrata chordata deuterostomia coelomata bilateria metazoa opisthokonta eukaryota heredia province costa rica central america america hermit phaethornis sp hummingbird apodiforme bird sauropsid vertebrate chordate wild animal animal