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.

Terry Whittaker / Man sorting seabird eggs, including those of Common guillemots (Uria aalge) into egg boxes, Skoruvikurbjarg cliffs, Langanes Peninsula, Iceland, May.

Jabruson Motion / Conservation workers carrying a sedated Sumatran orangutan (Pongo abelii) towards vehicles and a transport box, part of a relocation programme, Sei Serdang, Prima, Batang Serangan, Langkat, North Suma...

David Perpinan / Female Rock sparrow (Petronia petronia) feeding chick inside nest, filmed with an infrared camera, Spain, June.

Dave Bevan / Slow motion clip of a Blue tit (Cyanistes caeruleus) flying to nest box, enters to feed nestlings and leaves, Carmarthenshire, Wales, UK, June.

Brian Bevan / Brown hare (Lepus europaeus) boxing, Bedfordshire, England, UK, March.

Ingo Arndt / Ornate box turtle retracted into shell {Terrapene ornata} USA

Nick Upton / Common swift (Apus apus) feeding chick in a nest box, filmed using infrared light, Cambridge, England, UK, August.

Jabruson / Mummified infant Chimpanzee (Pan troglodytes) a relic from research from 1959, amongst old laboratory paraphernalia and assorted zoological specimens. CRSN (Centre de Recherche en Sciences Naturelles...

Jabruson / Eastern gorilla (Gorilla beringei beringei) confiscated juvenile recovered by National Park authorities from poachers, awaiting release to the wild in wooden crate, with hand reaching out, Djomba, Vir...

Jabruson / Eastern gorilla (Gorilla beringei beringei) juvenile confiscated from poachers by national park authorities from poachers, awaiting release to the wild in wooden crate, Djomba, Virunga National Park,...

Pascal Tordeux / Boy feeding a Little owl (Athene noctua) chick hit by a car, France, May 2013. Model released.