Stephen Dalton / Wallace's flying frog (Rhacophorus nigropalmatus) gliding from tree, controlled conditions, from Malaysia and Indonesia

David Fleetham / Great white shark (Carcharodon carcharias) dorsal fin visible on surface. Guadalupe Island, Mexico.

SINCLAIR STAMMERS / Timelapse of filaments of Oscillatoria, a type of Blue green algae gliding over each other, filmed using differential interference contrast.

Chien Lee / Flying Fish (Exocoetidae) taking flight from surface, Sarawak, Borneo, Malaysia

Claudio Contreras / Hawksbill turtle (Eretmochelys imbricata) swimming, viewed from below, Cozumel Reefs National Park, Cozumel Island, Yucatan Peninsula, Mexico, February

Andy Rouse / Great egret (Ardea alba) flying across lake, Ranthambhore National Park, India

Ernie Janes / Fulmar (Fulmaris glacialis) in flight with Hunstanton, Norfolk, England, UK, February.

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

Ole Jorgen Liodden / Campbell albatross (Thalassarche impavida) in flight, silhouetted at sunset, near Campbell Islands, Sub-Antarctic New Zealand. February.

Ole Jorgen Liodden / Campbell albatross (Thalassarche impavida) in flight, silhouetted at sunset, near Campbell Islands, Sub-Antarctic New Zealand. February.

Jack Dykinga / Male Andean Condor (Vultur gryphus) flying amongst the clouds, Los Cuernos Peaks, Torres del Paine, Chile. March.

Will Burrard-Lucas / Red and White Giant Flying Squirrel (Petaurista alborufus) gliding, Foping Nature Reserve, Qinling Mountains, Shaanxi province, China.