David Woodfall / Traditional lave net fisherman (a method dating back at least 1,500 years) fishing for salmon. This Severn Estuary way of life is threatened by proposed barrage. Gloucestershire, England, July 2009, M...

Eric Baccega / Head portrait of Dani man with head-dress and nose adornment made of bone, Baliem valley, West Papua, former Irian-Jaya, Indonesia, August 2002

Eric Baccega / Head portrait of Dani man, with head-dress and nose adornment made of bone, Baliem valley, West Papua, former Irian-Jaya, Indonesia, August 2002

Jerry Monkman / Man stoking the fire in the sap evaporator of the sugar house at Sugarbush Farm in Woodstock, Vermont, USA, April 2008.

Patricio Robles Gil / Aboriginal man with his face painted for the Mt Hagen cultural show, Papua New Guinea

Patricio Robles Gil / Aboriginal man wearing tribal headdress made with feathers from Bird-of-Paradise, Parrots and Lorikeets, Papua New Guinea

Flip Nicklin / Gray Whale (Eschrichtius robustus) touched by tourists, San Ignacio Lagoon, Baja California, Mexico

Jami Tarris / Golden Eagle (Aquila chrysaetos) master hunter, Altai Mountains, Bayan Ulgii, Mongolia

Nick Upton / Researcher radiotracking Siberian flying squirrel (Pteromys volans) in mature mixed forest. Muraka Forest Reseve, near Lisaku, Estonia. April 2018.

Nick Upton / Researcher setting trailcam to monitor Siberian flying squirrel (Pteromys volans) nest hole. Mature mixed forest, near Lisaku, Estonia. April 2018. Model released.

Nick Upton / Researcher using laptop to check trailcam footage of Siberian flying squirrel (Pteromys volans) nest box in mature mixed forest. Near Lisaku, Estonia. April 2018. Model released.

Nick Upton / Researcher radio tracking Siberian flying squirrel (Pteromys volans) in mature mixed forest. Muraka Forest Reseve, near Lisaku, Estonia. April 2018. Model released.