Vincent Grafhorst / Hippopotamus (Hippopotamus amphibius) bull marking territory by flicking dung, Chobe National Park, Botswana

Chris Gomersall / 2020VISION / Northern wheatear (Oenanthe oenanthe) adult male in spring plumage feeding on dung flies at farm midden heap, Hertfordshire, UK, April

Chris Gomersall / 2020VISION / Yellow wagtail (Motacilla flava flavissima) adult male in spring plumage feeding on dung flies at farm midden heap, Hertfordshire, UK, April. Did you know? Yellow wagtails commonly used to nest in wat...

Chris Gomersall / 2020VISION / Northern wheatear (Oenanthe oenanthe) adult male in spring plumage feeding on dung flies at farm midden heap, Hertfordshire, UK, April

Wild Wonders of Europe / Geslin / Kestrel (Falco tinninculus) perched in roosting hole in stone building in the Vatican garden, Rome, Italy, March 2010

Stephen Dalton / House mouse (Mus musculus) in biscuit packet, UK, controlled conditions

Wild Wonders of Europe / Möllers / Field of Meadow saffron crocus (Colchicum autumnale) one growing in cow dung, Mohacs, Béda-Karapancsa, Duna Drava NP, Hungary, September 2008

Wild Wonders of Europe / Ruiz / Fallen leaves, pine needles animal fecal pellets in woodland on Stribrne Steny (459m) Hrensko, Ceske Svycarsko / Bohemian Switzerland National Park, Czech Republic, November 2008

Andy Sands / Common house fly (Musca domestica) on cow dung, captive

Hanne & Jens Eriksen / Osprey defecating {Pandion haliaetus} Qalhat, Oman

Adrian Davies / Red deer droppings {Cervus elaphus} UK

Jose B. Ruiz / Spanish ibex droppings {Capra pyrenaica} Avila, Spain