Nick Upton / John Field placing White-clawed crayfish (Austropotamobius pallipes) in an inspection tray for sexing and health checks ahead of translocation to an ARK site, safe from Signal crayfish (Pacifastacus l...

Ashley Cooper / A woman picking Plums growing in an orchard near Pershore, Vale of Evesham, Worcestershire, UK. September 2013.

Ashley Cooper / A woman picking Plums growing in an orchard near Pershore, Vale of Evesham, Worcestershire, UK.

Ashley Cooper / A woman picking Damsons growing in an orchard near Pershore, Vale of Evesham, Worcestershire, UK.

Ingo Arndt / Migratory Locust (Locusta migratoria capito) collected for food, near Isalo National Park, Madagascar. August 2013.

Roger Powell / Common gull (Larus canus) incubating in a nesting tray. These man-made structures were originally erected to ensure a fresh supply of eggs but are now part of a conservation programme.Porsanger fjord,...

Roger Powell / Eurasian oystercatcher (Haematopus ostralegus) standing over eggs in a nesting tray. These nest platforms were originally put up (early - mid 20th century) to provide a supply of fresh eggs. Now they...

Roger Powell / Eurasian oystercatcher (Haematopus ostralegus) incubating in a nesting tray. These nest platforms were originally put up (early - mid 20th century) to provide a supply of fresh eggs. Now they are part...

Nick Upton / Tray of European eel (Anguilla anguilla) elvers at UK Glass Eels ready to be packed for transport to Wales for a reintroduction project, Gloucester, UK, October 2016

Daniel Heuclin / Sumatran woman with tray of peanuts drying, Sumatra July 2016.

SCOTLAND: The Big Picture / Atlantic salmon (Salmo salar) fry and parr, temporarily stunned awaiting measurements to be taken, Cairngorms National Park, Scotland, UK, September 2015.

SCOTLAND: The Big Picture / Atlantic salmon (Salmo salar) parr, temporarily stunned before measurements are taken, Cairngorms National Park, Scotland, UK, September 2015.