Editing European bison (section)

===Diet===
European bison feed predominantly on grasses, although they also browse on [[Shoot (botany)|shoot]]s and leaves; in summer, an adult male can consume 32&nbsp;kg of food in a day.<ref name=BSG>{{cite book|title=European Bison Status Survey and Conservation Action Plan|year=2004|publisher=IUCN/SSC Bison Specialist Group|location=Gland, Switzerland and Cambridge, UK.|author=Pucek, Z.|author2=Belousova, I.P.|author3=Krasiñska, M.|author4=Krasiñski, Z.A.|author5=Olech, W.|name-list-style=amp}}</ref> European bison in the Białowieża Forest in Poland have traditionally been fed hay in the winter for centuries, and large herds may gather around this diet supplement.<ref name=BSG /> European bison need to drink every day, and in winter can be seen breaking ice with their heavy hooves.<ref name=UU>{{cite web|title=Ultimate Ungulate|url=http://www.ultimateungulate.com/Artiodactyla/Bison_bonasus.html|author=Brent Huffman|access-date=18 June 2006|archive-date=26 December 2016|archive-url=https://web.archive.org/web/20161226095419/http://www.ultimateungulate.com/artiodactyla/bison_bonasus.html|url-status=live}}</ref>