Male red deer (Cervus elaphus) stag spraying urine onto his belly and forequarters during the rut, Jaegersborg, Denmark Wild boar (Sus scrofa) in autumn beech forest, GermanyIbex male (Capra ibex) on rock ledge in the snow in winter, Gran Paradiso NP, Italy Przewalski's horse (Equus ferus przewalskii) and foal on edge of forest, native to MongoliaRoe deer (Capreolus capreolus) buck in field, FranceWisent / European bison (Bison bonasus) resting in grassland Juvenile wild boars (Sus scrofa) sleeping in autumn beech forest, Bavarian Forest, GermanyRed deer stag (Cervus elaphus) roaring under tree, Jaegersborg, DenmarkTwo male fallow deer (Dama dama) fighting for dominance during rut, Denmark