Anna's hummingbird (Calypte anna) hovering, near Saanich, British Columbia, Canada, North America

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

Female calliope Hummingbird (Stellula calliope) hovering, near Oliver, British Columbia, Canada, North America

Helicopter from USS Nimitz, Los Angeles, United States.

Military helicopter hovers in clearing in Ulu Temburong National Park, Brunei

Police Helicopter Circling The Suleymaniye Mosque, A Turkish Islamic Cultural Centre In East London

Military helicopter hovers in clearing in Ulu Temburong National Park, Brunei

Helicopter from aircraft carrier USS Nimitz, Los Angeles, United States.

Arctic tern (Sterna hirundo) hovering over estuary, hunting sand eels, in mid-summer when the colonies are active for 24 hours per day. Iceland.

Arctic Tern (Sterna paradisaea) flying in Oban town centre with fish in mouth. Oban. Argyll. Scotland, UK

RAF Sea King Helicopter about to land on Crinkle Crags to evacuate an injured walker being treated by a mountain rescue team, Lake District, Cumbria, England, United Kingdom, Europe

Arctic tern (Sterna hirundo) hovering over estuary, hunting sand eels, in mid-summer when the colonies are active for 24 hours per day. Iceland.

Lesser pied kingfisher, Ceryle rudis, hunting, Zichron Yaakov, Israel

Arctic tern (Sterna hirundo) hovering over estuary, hunting sand eels, in mid-summer when the colonies are active for 24 hours per day. Iceland.

A helicopter comes to evacuate an injured walker on Bow Fell in the Lake District. Cumbria, England, United Kingdom, Europe

Hummingbird hovering, Violet Sabrewing, Campylopterus hemileucurus, Costa Rica, Central America

A murmuration of starlings, a spectacular aerobatic display of a large number of birds in flight at dusk over the countryside, England, United Kingdom

A murmuration of starlings, a spectacular aerobatic display of a large number of birds in flight at dusk over the countryside, England, United Kingdom

A murmuration of starlings, a spectacular aerobatic display of a large number of birds in flight at dusk over the countryside, England, United Kingdom

A murmuration of starlings, a spectacular aerobatic display of a large number of birds in flight at dusk over the countryside, England, United Kingdom

A murmuration of starlings, a spectacular aerobatic display of a large number of birds in flight at dusk over the countryside, England, United Kingdom

A murmuration of starlings, a spectacular aerobatic display of a large number of birds in flight at dusk over the countryside, England, United Kingdom

leafcutter bees or wool carder bees mason bee flying

Stripe-throated Hermit foraging in flight-Costa Rica

White-necked Jacobin male foraging in flight, Costa Rica

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

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

Lesser Violetear (Colibri cyanotus), hovering, Peru

Preying on Gentoo Penguins (Pygoscelis papua) hovering over colony.. Falkland Skua or Brown Skua (Stercorarius antarcticus, exact taxonomy is under dispute). They are the great skuas of the southern polar and subpolar region. South America, Falkland Islands, January

Green-breasted mango male foraging in flight, Costa Rica