Redlisting is a technique of figuring out and classifying species which can be prone to extinction. The Worldwide Union for Conservation of Nature (IUCN) is the group liable for sustaining the Crimson Checklist of Threatened Species, which is probably the most complete stock of the worldwide conservation standing of plant and animal species.
There are a selection of standards which can be used to find out whether or not a species is redlisted, together with:
