ผลต่างระหว่างรุ่นของ "สิ่งมีชีวิตที่มีความเสี่ยงต่ำต่อการสูญพันธุ์"

|url=http://www.redlist.org/info/categories_criteria2001|title=2001 Categories & Criteria (version 3.1)|work=The IUCN Red List of Threathened Species|accessdate=2006-12-19}}</ref> However, around 20% of Least Concern taxa (3261 of 15636) in the IUCN database use the code "LR/lc", which indicates they have not been re-evaluated since 2000. Prior to 2001 "least concern" was a subcategory of the "Lower Risk" category and assigned the code "LR/lc" or (lc).