What's New
Along with pages being regularly updated to reflect the new data available in each Red List update, new pages, tools and functionality are added to The IUCN Red List website at any time throughout the year. The most recent updates and additions to the Red List website (version 2021-1) are listed below.
For a list of previous updates and additions (since the start of 2020), click here.
New and updated pages |
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| STAR — Species Threat Abatement and Restoration | GIS Tools, Software and Recommended Base data |
| Mapping Standards guidelines | |
Non-English language translations |
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| Red List Guidelines | Extinction Risk Assessment Tools |
Summary Statistics page
Each time The IUCN Red List is updated, the Summary Statistics page (in the Resources and Publications section) is also updated to provide statistics for the most recent version of the Red List. The Summary Statistics page also includes links to the automated statistics tables.
Spatial Data Download page
Each time The IUCN Red List is updated, the Spatial Data Download page (in the Resources and Publications section) is also updated to provide all the current map data for various groups of species (including polygon spatial data and point data, where available).
The Species Threat Abatement and Restoration (STAR) Metric
In 2021, IUCN and partners developed a new methodology and suite of tools called the Species Threat Abatement and Recovery (STAR) metric. STAR uses IUCN Red List data to estimate the potential reduction in species extinction risk that could be achieved at a site, across a corporate footprint, or within a country. It can also be used to set local or global species extinction risk targets, and measure progress towards those targets. Find out more on the Species Threat Abatement and Recovery (STAR) metric page.
Red List Guidelines
Version 14 of the Guidelines for Using the IUCN Red List Categories and Criteria was released in English in August 2019. This document is now available in both French and Spanish, bringing all three language versions up to date.
Extinction Risk Assessment tools
The Extinction Risk Assessment tools page in the Resources & Publications section provides access to the Threats model and the Records and Surveys model to help Assessors determine the probability of a species now being Extinct or Extinct in the Wild. These tools are now also available in French and Spanish.
Mapping Standards guidelines
In 2021, the Mapping Standards and Data Quality for IUCN Red List Spatial Data guidance document was updated to version 1.19 (May 2021). You can download a copy of this updated document here.
GIS Tools, Software and Recommended Base data
The following tools and documents have been updated on the GIS Tools, Software and Recommended Base data page in the Resources & Publication section of the website.
- The IUCN Red List Toolbox for ArcMap and instructions are now updated to version 2021_05.
- The EOO calculator tool and instructions are now updated to version 1.5
- The individual basedata shapefiles, rasters and geodatabases have been updated.
- Brief overviews are now provided for some widely available tools that were developed to aid mapping of spatial data and calculations of parameters for IUCN Red List assessments (e.g., EOO and AOO).
- The Data Providers section on this page has been expanded to include a wider range of resources.