860-292184 - Sword-billed Hummingbird (Ensifera ensifera), female, confronting a Buff-tailed Coronot (Boissonneaua flavescens), Colombia

860-292181 - Long-tailed Sylph (Aglaiocercus kingii) on a leaf, Colombia

860-291442 - 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

860-291441 - 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

860-291439 - 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

860-291440 - 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

860-291438 - 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

860-291436 - 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

860-291437 - 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

860-291435 - 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

832-398199 - Mexican violetear (Colibri thalassinus), lives in the highlands, Cordillera de Talamanca, Costa Rica, Central America

832-398198 - Rufous-tailed hummingbird (Amazilia tzacatl) on scarlet lobster-claw (Heliconia bihai), Sarapiqui area, Costa Rica, Central America

832-398200 - Mexican violetear (Colibri thalassinus), with splayed purple feathers on the head, the violet ears, lives in the highlands, Cordillera de Talamanca, Costa Rica, Central America

1116-50856 - A hummingbird hovering beside a snow-covered feeder; Washington, United States of America

860-289668 - Fiery-throated Hummingbird (Panterpe insignis), male perched on lichen-covered branch, Costa Rica, October

860-289649 - Lesser Violetear (Colibri cyanotus), hovering, Peru

860-289651 - Magenta-throated Woodstar (Calliphlox bryantae) male on a branch, Costa Rica

1349-1426 - Green-crowned brilliant feeding on flowers

1349-1431 - Green-crowned Brilliant

1349-1427 - Green-crowned brilliant feeding on flowers

1349-1435 - Violet Sabrewing, Campylopterus hemileucurus

1349-1359 - Green Violet-Ear Hummingbird

1349-1439 - Purple-throated Mountain-gem

1349-1436 - Violet Sabrewing, Campylopterus hemileucurus

1349-1434 - Ruby-throated Hummingbird

1349-1428 - Green-crowned brilliant feeding on flowers

1349-1429 - Green-crowned brilliant feeding on flowers

1349-1430 - Green-crowned brilliant feeding on flowers

1349-1437 - Violet Sabrewing, Campylopterus hemileucurus

1225-362 - A hummingbird in Castara Bay on the Caribbean island of Tobago, Trinidad and Tobago, West Indies, Caribbean, Central America

832-376935 - Black-chinned Hummingbird (Archilochus alexandri), females feeding on Texas thistle (Cirsium texanum), Sinton, Corpus Christi, Coastal Bend, Texas, USA

817-439746 - Racket-tailed Puffleg Hummingbird Venezuela

817-439745 - Speckled Hummingbird Venezuela

817-436388 - Florisuga mellivora, White-necked Jacobin hovering, Soberania National Park, Republic of Panama, Central America

817-434503 - Brown violetears Colibri delphinae perched in the cloud forest near Caracas, Venezuela

832-53986 - Peruvian Sheartail, hummingbird (Thaumastura cora), in captivity

832-53984 - Peruvian Sheartail, hummingbird (Thaumastura cora), in captivity

832-53983 - Peruvian Sheartail, hummingbird (Thaumastura cora), in captivity

832-30416 - Coppery-headed Emerald (Elvira cupreiceps), male in flight feeding on Shrimp plant (Acanthaceae), Central Valley, Costa Rica, Central America

832-30475 - Broad-tailed Hummingbird (Selasphorus platycercus), male in flight feeding on Rocky Mountain Penstemon (Penstemon strictus), Rocky Mountain National Park, Colorado, USA

832-30093 - Rufous Hummingbird (Selasphorus rufus), immature in flight feeding on columbine, Paradise, Chiricahua Mountains, Arizona, USA

832-30471 - Broad-tailed Hummingbird (Selasphorus platycercus), male in flight feeding on Penstemon flower (Penstemon sp.), Rocky Mountain National Park, Colorado, USA

832-30582 - Black-chinned Hummingbird (Archilochus alexandri), female feeding on flower, Tucson, Sonoran Desert, Arizona, USA

832-30583 - Black-chinned Hummingbird (Archilochus alexandri), female feeding on Yellow Trumpet Flower (Tecoma stans), Tucson, Sonoran Desert, Arizona, USA

832-30640 - Anna's Hummingbird (Calypte anna), male in flight feeding on flower, Tucson, Sonoran Desert, Arizona, USA

832-30532 - Black-chinned Hummingbird (Archilochus alexandri), female in flight feeding on Sage, Madera Canyon, Arizona, USA

832-30469 - Broad-tailed Hummingbird (Selasphorus platycercus), male in flight feeding on Siberian Catmint flower (Nepeta sibirica), Rocky Mountain National Park, Colorado, USA

832-30092 - Ruby-throated Hummingbird (Archilochus colubris), male in flight feeding on Kalanchoe Flower, New Braunfels, Hill Country, Texas, USA

832-30101 - Ruby-throated Hummingbird (Archilochus colubris), male feeding on Texas Thistle (Cirsium texanum), Sinton, Corpus Christi, Coastal Bend, Texas, USA

832-30418 - Coppery-headed Emerald (Elvira cupreiceps), male in flight feeding on Spiral Ginger (Costus pulverulentus), Central Valley, Costa Rica, Central America

832-8887 - Broad-tailed Hummingbird (Selasphorus platycercus), male in flight feeding on Rocky Mountain Penstemon (Penstemon strictus), Rocky Mountain National Park, Colorado, USA

832-8490 - Black-bellied Hummingbird (Eupherusa nigriventris), male in flight feeding on flower of the Ginger plant family in cloud forest rainforest, Central Valley, Costa Rica, Central America

832-8473 - Booted Racket-tail (Ocreatus underwoodii) and Andean Emerald (Amazilia franciae), two males feeding on flower during rain in cloud forest rainforest, Mindo, Ecuador, Andes, South America

832-8831 - Coppery-headed Emerald (Elvira cupreiceps), male in flight feeding on Shrimp plant (Acanthaceae), Central Valley, Costa Rica, Central America

832-8561 - Purple-throated Mountain-gem (Lampornis calolaema), male in flight feeding on Ornamental Banana plant flower (Musa velutina), Central Valley, Costa Rica, Central America

832-8547 - Ruby-throated Hummingbird (Archilochus colubris), male in flight feeding on Purple Coneflower (Echinacea), New Braunfels, Central Texas, USA

832-8471 - Booted Racket-tail (Ocreatus underwoodii), male feeding from flower in cloud forest rainforest, Mindo, Ecuador, Andes, South America

832-8024 - Booted Racket-tail (Ocreatus underwoodii), male in flight feeding from Ginger flower in rainforest, Mindo, Ecuador, Andes, South America

832-8928 - Green-Crowned Woodnymph (Thalurania fannyi), Booted Racket-tail (Ocreatus underwoodii), Andean Emerald (Amazilia franciae), adults feeding on ginger flower, Mindo, Ecuador, Andes, South America

832-8260 - Violet-tailed Sylph (Aglaiocercus coelestis), male perched, Mindo, Ecuador, Andes, South America

832-8891 - Broad-billed Hummingbird (Cynanthus latirostris), male in flight feeding on columbine, Madera Canyon, Tucson, Arizona, USA

832-8927 - Green Hermit (Phaethornis guy), male in flight feeding on flower, Central Valley, Costa Rica, Central America

832-8870 - Costa's Hummingbird (Calypte costae), young male in flight feeding on Yellow Trumpet Flower (Tecoma stans), Tucson, Arizona, USA

832-8917 - Anna's Hummingbird (Calypte anna), male in flight feeding on Turk's Cap (Malvaviscus drummondii), Tucson, Arizona, USA

832-8736 - Ruby-throated Hummingbird (Archilochus colubris), male feeding on Texas Thistle (Cirsium texanum), Corpus Christi, Coastal Bend, Texas, USA

832-8649 - Broad-billed Hummingbird (Cynanthus latirostris), female in flight feeding on Petunia, Madera Canyon, Tucson, Arizona, USA

832-8552 - Ruby-throated Hummingbird (Archilochus colubris), male in flight feeding on Red Bird Of Paradise flower (Caesalpinia pulcherrima), Willacy County, Rio Grande Valley, South Texas, USA

832-8546 - Ruby-throated Hummingbird (Archilochus colubris), male in flight feeding on Purple Coneflower (Echinacea), New Braunfels, Central Texas, USA

832-8503 - Andean Emerald (Amazilia franciae), adult in flight feeding from flower in cloud forest rainforest, Mindo, Ecuador, Andes, South America

832-8735 - Ruby-throated Hummingbird (Archilochus colubris), male in flight feeding on Turk's Cap (Malvaviscus drummondii), Willacy County, Rio Grande Valley, South Texas, USA

832-8668 - Black-chinned Hummingbird (Archilochus alexandri), male in flight feeding on Mexican Oregano (Poliomintha maderensis), Miller Canyon, Tucson, Arizona, USA

832-8906 - Buff-bellied Hummingbird, (Amazilia yucatanenensis), adult, Weslaco, Rio Grande Valley, South Texas, USA

832-8641 - Broad-tailed Hummingbird (Selasphorus platycercus), male in flight feeding on Rocky Mountain Penstemon (Penstemon strictus), Rocky Mountain National Park, Colorado, USA