Neil Anderson / Red squirrel (Sciurus vulgaris), two curled up asleep in drey inside nest box. Nest of lichen and Pine needles. Highlands, Scotland, UK. Medium repro only.

Milan Radisics / Aerial shot of an artificial lake inside an open cast mine, Minas de Riotinto, Andalusia, Spain, January 2019.

Milan Radisics / Aerial shot of an artificial lake inside an open cast mine, Minas de Riotinto, Andalusia, Spain, January 2019.

Espen Bergersen / Aerial shot of two Killer whales (Orcinus orca) swimming inside a shoal of Atlantic herring (Clupea harenguis), hunting, with one Killer whale tail slapping to stun the Herring, Sommaroy, Troms, Norwa...

Espen Bergersen / Aerial shot of two Killer whales (Orcinus orca) swimming inside a shoal of Atlantic herring (Clupea harenguis), hunting, Sommaroy, Troms, Norway, January.

Espen Bergersen / Aerial shot of two Killer whales (Orcinus orca) swimming inside a large shoal of Atlantic herring (Clupea harenguis), hunting, Sommaroy, Troms, Norway, January.

Hiroya Minakuchi / Humpback Whale (Megaptera novaeangliae) trio gulp feeding, Inside Passage, southeast Alaska

Hiroya Minakuchi / Humpback Whale (Megaptera novaeangliae) pod gulp feeding, Inside Passage, southeast Alaska

Hiroya Minakuchi / Humpback Whale (Megaptera novaeangliae) pod gulp feeding, Inside Passage, southeast Alaska

Ingo Arndt / European Beaver (Castor fiber) parent with newborn young inside lodge, Germany

Ole Jorgen Liodden / Waved albatross (Phoebastria irrorata) pair in courtship display, Espanola, Galapagos Islands. Critically endangered species.

Ingo Arndt / European Beaver (Castor fiber) grooming newborn baby inside lodge, Germany