Kevin Schafer / Bumblebee (Bombus sp) on flower, Juneau, Alaska

Richard Du Toit / Greater Double-collared Sunbird (Nectarinia afra) male on Pincushion (Leucospermum sp) flower, Western Cape, South Africa

Martin Willis / Red-collared Lorikeet (Trichoglossus rubritorquis) feeding on flower nectar, Kimberley, Western Australia, Australia

Donald M. Jones / Rufous Hummingbird (Selasphorus rufus) female feeding on flower nectar, Montana

Glenn Bartley/ BIA / Streamertail (Trochilus polytmus) male feeding on flower nectar, Jamaica

Chien Lee / Pallas' Long-tongued Bat (Glossophaga soricina) approaching Tea Mangrove (Pelliciera rhizophorae) flower at night, Utria National Park, Colombia

Chien Lee / Pallas' Long-tongued Bat (Glossophaga soricina) approaching Tea Mangrove (Pelliciera rhizophorae) flower at night, Utria National Park, Colombia

Konrad Wothe / Booted Racket-tail (Ocreatus underwoodii) feeding on flower nectar, Ecuador

Chien Lee / Lesser Long-tongued Fruit Bat (Macroglossus minimus) approaching Durian (Durio zibethinus) flower nectar, Danum Valley Conservation Area, Sabah, Borneo, Malaysia

Donald M. Jones / Brown Bear (Ursus arctos) feeding on dandelions, western Canada

Donald M. Jones / Brown Bear (Ursus arctos) feeding on dandelions, western Canada

Donald M. Jones / Curve-billed Thrasher (Toxostoma curvirostre) feeding on cactus flower nectar, southern Arizona