Dung beetle road sign to discourage dung beetle roadkills, Addo National Park, South Africa, Africa

Hoar frost on barbed wire fence and dry-stone wall, Oxfordshire, England, United Kingdom

Barbed wire fence in Oxfordshire field, Bruern, The Cotswolds, United Kingdom

Brooks Camp employees trying to discourage two brown bear cubs (Ursus arctos) from damaging boats at the Brooks River in Katmai National Park near Bristol Bay, Alaska, USA. Pacific Ocean