Terry Whittaker / 2020VISION / Anita and Kenneth Okwara with RSPB staff member Lyndon Parker buy RSPB products on South Bank. RSPB 'Date With Nature Event' for learning about urban Peregrine falcon, Tate Modern, South Bank, London,...

Terry Whittaker / Common murre / guillemot (Uria aalge), Black-legged kittiwake (Rissa tridactyla) and Gull (Larus sp) eggs for sale at Reykjavik Weekend Market, Iceland. 2018.

SCOTLAND: The Big Picture / Wild venison producer, Forest to Fork, selling burgers at Farmers Market. Culbokie, Ross and Cromarty, Scotland, UK.

Wild Wonders of Europe / Widstr / Buy Brook thistle (Cirsium rivulare) Eastern Rhodope Mountains, Bulgaria, May 2013.

Terry Whittaker / 2020VISION / Anita and Kenneth Okwara buy RSPB products on South Bank. RSPB 'Date With Nature Event' for learning about urban Peregrine falcon, Tate Modern, South Bank, London, UK, September 2011, RSPB Greater Tha...

Terry Whittaker / 2020VISION / Anita and Kenneth Okwara buy RSPB products on South Bank. RSPB 'Date With Nature Event' for learning about urban Peregrine falcon, Tate Modern, South Bank, London, UK, September 2011, RSPB Greater Tha...

Juergen Freund / A pot of lime made from ground staghorn coral, used for betel nut chewing. The betel nut is grown in many food gardens, but families buy the lime. M'Buke Island, New Ireland, Papua New Guinea, June 20...

Steven David Miller / Seldom Seen, along the Snowy River Road, Victoria, Australia 2007. The last place heading north where one may buy fuel. The owner has an unusual collection of skeletal matter on display next to the pu...

IAN REDMOND / Elephant in Atlanta Zoo, USA with Don't Buy Ivory banner

Paul D Stewart / Illustration of Laelaps (Dryptosaurus) confronting Elasmosaurus with Hadrosaurus foraging in the background. From Edwin Drinker Cope 'The fossil reptiles of New Jersey' in 'American Naturalist' vol 3...

Mark Moffett / International Frog Day takes place twice a year, hundreds of Poison Dart Frog enthusiasts converge to buy and trade frogs because many species are becoming increasingly rare, export from tropical Amer...

Tim Laman / Full skin of Wreathed hornbill (Rhyticeros undulatus), skull and casque of Rhinoceros hornbill (Buceros rhinoceros) and casque of young Helmeted hornbill (Rhinoplax vigil), displayed on floor as troph...