Chien Lee / Wallace's Flying Frog (Rhacophorus nigropalmatus) gliding, Danum Valley Field Center, Sabah, Borneo, Malaysia

Alan Murphy / Peregrine Falcon (Falco peregrinus) male flying, Texas

Pete Oxford / Red-footed Booby (Sula sula) juvenile flying, Genovesa Island, Galapagos Islands, Ecuador

Pete Oxford / Red-footed Booby (Sula sula) flying juvenile being photographed by tourist, Genovesa Island, Galapagos Islands, Ecuador

Michael Quinton / Northern Flicker (Colaptes auratus) leaving nest cavity in forest, Alaska

Michael Quinton / Northern Flicker (Colaptes auratus) leaving nest cavity in forest, Alaska

Donald M. Jones / Osprey (Pandion haliaetus) flying, western Montana

Ole Jorgen Liodden / Arctic tern (Sterna Paradisaea) flying, Svalbard, Norway, July.

John Waters / Barn Owl (Tyto alba) hunting/hovering, Somerset, UK, trained bird.

Tui De Roy / Galapagos hawks (Buteo galapagoensis) in flight, Galapagos, Ecuador. Vulnerable species.

Graeme Guy / Pink-necked Green-Pigeon (Treron vernans) male feeding on berries, Kedah, Malaysia

David Tipling / 2020VISION / Barnacle geese (Branta leucopsis) in flight, Solway Firth, Dumfries and Galloway, Scotland, UK, December