Lists based on status

 
Note: each of the constituent lists below have one or more types of  designation. 
 
 
Red listed and rare species
A collection of taxonomically based published "red lists" using IUCN criteria, together with auxiliary lists of rare and scarce species. In the UK, Red and amber lists for birds do not follow the IUCN criteria. 
UK Biodiversity Action Plan List
2007 UK Priority Species List. See the UK BAP priority species webpages for further information.
Country Biodiversity Lists Species of principal importance in England, Scotland and Wales (NERC section 41 and 42 lists and Scottish Biodiversity List).