Editing 1891 in science (section)

==Biology==
* March 3 – Yellowstone Timberland Reserve, predecessor of [[Shoshone National Forest]], in [[Wyoming]] is established as the first [[United States National Forest]].
* The [[New Zealand]] government sets aside [[Resolution Island, New Zealand|Resolution Island]] in [[Fiordland]] as a [[nature reserve]].<ref>{{cite book|last=Hill|first=Susanne|author2=John|year=1987|title=Richard Henry of Resolution Island|publisher=John McIndoe|location=Dunedin|isbn=0-86868-094-X}}</ref>
* The [[New York Botanical Garden]] is founded in [[The Bronx]] largely due to the efforts of [[Nathaniel Lord Britton]].
* [[Jane Kirkaldy|Jane Willis Kirkaldy]] and Catherine Pollard become the first women to sit final examinations in biology at the [[University of Oxford]] (and achieve first class honours).<ref>{{cite journal|title=The female firsts|url=https://www.oxfordtoday.ox.ac.uk/page.aspx?pid=959|journal=[[Oxford Today]]|volume=22|issue=1|date=29 September 2009|access-date=2011-08-12|archive-url=https://web.archive.org/web/20110927172840/https://www.oxfordtoday.ox.ac.uk/page.aspx?pid=959|archive-date=2011-09-27}}</ref>