Karl Ammann / Tropical rainforest timber transported on logging trucks to the local seaport. Drivers are paid per trip and therefore have an incentive to ignore traffic and safety rules.

XI ZHINONG / Tibetan antelope (Pantholops hodgsonii) crossing road infront of a truck, Kekexili, Qinghai, China, January

Roland Seitre / Roadsign warning drivers to drive slowly in koala areas. Kangaroo Island, South Australia.

Roland Seitre / Road sign warning drivers to watch their speed in areas inhabited by the Iberian / Spanish Lynx (Lynx pardina). Sierra Morena, Andalusia, Spain, June 2006.

Roland Seitre / Road sign warning drivers to watch their speed in areas inhabited by the Iberian / Spanish Lynx (Lynx pardina). Sierra Morena, Andalusia, Spain, June 2007.

Roland Seitre / Road sign warning drivers to watch their speed in areas inhabited by the Iberian / Spanish Lynx (Lynx pardina). Sierra Morena, Andalusia, Spain, June 2006.

Richard Du Toit / Sign warning drivers to slow down for wildlife, Itala Game Reserve, South Africa

David Tipling / Sign warning drivers to slow down for Red squirrels, near Derwent Water, Lake District, Cumbria, UK

Steven David Miller / A sign warns drivers to watch for passing Malle fowl; one of the species that has been reintroduced to the park under Project Eden, Peron Road, Francois Peron National Park, Western Australia

Richard Du Toit / African Elephant (Loxodonta africana) road sign warning drivers of elephants crossing, near Kasane, Botswana

Richard Du Toit / Dung Beetle (Scarabaeidae) road sign cautioning drivers that Dung Beetles have the right of way, Itala Game Reserve, South Africa

Mark Moffett / Sign warning drivers to watch for rare endangered Dung Beetles on road, South Africa