Alex Hyde / Aposematism describes the use of bright colouration and bold patterns to advertise that an organism is unpalatable or dangerous. All three insects are foul-tasting or toxic if eaten: Wood Tiger moth...

Alan Watson / Heart-shaped patch of lungwort (Lobaria virens) on the moss-covered trunk of Oak tree (Quercus petraea) and Holly trees (Ilex aquifolium) temperate forest, Tomies Wood, Killarney National Park, County...

Alan Watson / Heart-shaped patch of lungwort (Lobaria virens) on the moss-covered trunk of Oak tree (Quercus petraea) and Holly trees (Ilex aquifolium) temperate forest, Tomies Wood, Killarney National Park, County...

Stephen Dalton / Collection of bird feeders in garden, with Greenfinches (Carduelis chloris) and Great tits (Parus major) UK

Wild Wonders of Europe / Giesbers / Wood cranesbill (Geranium sylvaticum) and Buttercups (Ranunculus breyninus) flowering with the Grauspitz (2,599m) in the distance, Liechtenstein, June 2009

Wild Wonders of Europe / Biancarelli / Wild garlic (Allium ursinum) and Bluebell (Hyacinthoides non-scripta / Endymion non-scriptum) carpet in Beech wood, Hallerbos, Belgium, April 2009

Wild Wonders of Europe / Biancarelli / Wild garlic (Allium ursinum) and Bluebell (Hyacinthoides non-scripta / Endymion non-scriptum) carpet in Beech wood, Hallerbos, Belgium, April 2009

Wild Wonders of Europe / Biancarelli / Wild garlic (Allium ursinum) and Bluebell (Hyacinthoides non-scripta / Endymion non-scriptum) in flower, Beech wood, Hallerbos Belgium, April 2009

Martin Dohrn / Aerial view of deciduous autumn woodland, Puy de Dome, France

Duncan Mcewan / Frost and snow on mixed woodland Inverness-shire, Scotland, UK

Christoph Becker / Brown bear cub climbing tree (Urus arctos) Bayerischer Wald, Germany. captive