In short, it's like a cheat sheet, a barometer of health, providing regularly updated information on the statuses of threatened species. It serves as an effective tool for influencing governmental policy and provides evidence of the incredible work that environmentalists do when a species' extinction threat is reduced. Now, perhaps more than ever, maintaining this database of species and understanding the nine categories describing their survival statuses is critical. At present, there are close to 140,000 species on the list, with almost 39,000 of them threatened with extinction.
The IUCN to which we keep referring is the Swiss-based International Union for Conservation of Nature. While they have overall responsibility for the list, multiple units work together to process and compile the data. These include the Global Species Programme Red List Unit in the UK, which receives data from approximately 1,300 organizations and 16,000 scientists globally, and the IUCN Species Survival Commission (SSC), a network of over 9000 expert volunteers around the world. They provide crucial information on biodiversity conservation and ecosystem health. The SSC has a vision: ‘A just world that values and conserves nature through positive action to reduce the loss of diversity of life on Earth.’
There are nine categories in which a taxon can be classified, eight describe the threat level posed to the species, and one, Not Evaluated (NE), is for when a species has not yet been assessed. You may notice that when Milkywire and academic sources refer to one of these categories, the name is capitalized, and you may see the category initialized after a species’s name.
The nine assessed taxon categories are:
Extinct (EX) – no reasonable doubt that the last individual has died
Extinct in the Wild (EW) – known only to survive in cultivation, in captivity, or as a naturalized population well outside its historic range
Critically Endangered (CR) – extremely high risk of extinction in the wild
Endangered (EN) – very high risk of extinction in the wild
Vulnerable (VU) – high risk of extinction in the wild
Near Threatened (NT) – likely to qualify for a threatened category in the future
Least Concern (LC) – does not qualify for a more at-risk category
Data Deficient (DD) – not enough data to make an assessment
Not Evaluated (NE) – for species not yet assessed.
We’re incredibly proud to say that 20 of the impacters who you help support on Milkywire are, in fact, members of the IUCN SSC specialist groups. It’s an honor to support the work of such high-caliber scientists and environmentalists. As an example, Milkywire impacter José Gonzáles-Maya is the co-chair of the IUCN small carnivore specialist group. Through his work on the Jaguar Friendly initiative, he collaborates with local communities to incentivize the protection of flagship species. This is done by offering compensation in the form of agricultural assistance, access to international markets, and eco-labeling in return for assurances of working against poaching and for conservation.
As if having 20 members of SSC specialist groups on Milkywire wasn’t enough, one of them, Andrea Marshall from the shark specialist group, was even instrumental in getting manta rays listed as Endangered, having previously been categorized as Data Deficient. Her years of dedication resulted in sufficient data being collated to recategorize the species, which will hopefully enable greater protection of them in the future. Work such as Andrea’s and José’s relies on generous donations from institutions and individuals alike. If their efforts resonate with you, please consider giving them your support through Milkywire.
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