Tools — Assessment Tools

SIS News and Updates

September 2019

  • New Text-based fields added to species page


June 2019

  • SIS - attachments more visible on assessments view
  • SIS - criteria calculator visible all the time


March 2019

  • Old red list website not available to general public anymore
  • Conservation Evidence links added to species page on Red List website


November 2018

  • Launch of new IUCN Red List website


December 2017

  • SIS Publication workflow update - more sorting options available


August 2017

  • Taxonomy treatment has been updated in SIS - for more information please contact the Red List Unit


March 2017

  • Users can now log into SIS Connect using their SIS credentials
  • SIS Connect allows SIS working sets to be exported in SIS Connect format


October 2016

  • Support for assessments in other languages than English added to SIS, and also SIS Connect


September 2016

  • Support added for Institution credits in SIS
  • Support added for "recently used references" in SIS 


March 2016

  • SIS Connect is released: SIS Connect is an application which allows assessments from external databases to be imported into SIS.


November 2015

  • There will be some slight disruption to the our API service,, which would be related to some updates happening.


October 2015

  • There will be some disruption of our services, affecting the main Red List website, and also our APIs, due to essential maintenance on all our servers - expected around the 21st-24th October 2015


September 2015

  • There seems to be some intermittent issues with SIS currently, and we will be doing a quick maintenance tonight BST (21st Sept)
  • SIS will be down for scheduled maintenance on the 10th September 2015, starting at 6pm EDT/11pm BST.
  • Browsers issue fixed - the problems we were getting with the updated versions of the browsers have been handled now, so you can access SIS from your usual tools now.


July 2015

  • Problem accessing SIS with Firefox version 39.0: The recently updated version of Mozilla Firefox (version 39.0) is incompatible with SIS. If your Firefox automatically updates to version 39.0, you will not be able to log in to SIS; instead you will receive an error message. While we investigate this issue, you should either go to the Mozilla website to download and install the previous version (version 38.0.5), or use Google Chrome to access SIS. If this still creates an issues, please contact the Red List Unit


June 2015

  • We have implemented new Red List Index fields in SIS, which can be found under 'Red List Assessments -> Red List Index'. For more information on usage, please contact the Red List Unit


April 2015

  • SIS will be down for scheduled maintenance tomorrow, 15 May 2015, starting at 6pm EDT/11pm BST.


February 2015

  • To help you find only those data fields for required and recommended supporting information for your assessments, two data field views are now available: Minimum Requirements (this displays the data fields in a tabular format) and Minimum Requirements List (this displays the data fields in one page for you to scroll down). You can find these in the list of data views in the panel on the left side of the assessment page.


July 2014

  • SIS will be down for scheduled maintenance on the 20th of July, starting at 6pmEDT/11pm BST


April 2014

  • Integrity checker is now available to use in SIS. It's not yet integrated with the Submissions Queue - this will be triggered in the future. Individual assessments, and working sets should be validated this way now. Please contact the Red List Unit for more info


January 2014

  • New Use and Trade module has been released - Use/Trade assessments can  now be done externally to the Red List assessment. More details and help  on this to follow...please contact the Red List Unit for more information


November 2013

  • Common Names list has English, French and Spanish options at the beginning of the drop-down list.
  • In Habitats and Ecology, for Coded Habitats, 'Suitable' is now the default value for the Suitability field
  • In Coded Habitats, the Suitability code of 'Possible' has been changed to 'Unknown'
  • In Threats, for Coded Threats, the Timing field has a default 'Ongoing' value now
  • Biogeographic realms has a link to the realms distribution in SIS, for easy access and use.
  • For Country Occurrence, LME and FAO, in the Presence field, the option 'Extinct' is changed 'Extinct Post-1500'
  • For Country Occurrence, LME and FAO, the option 'Pre-historically  introduced' has been deleted, and records re-assigned to 'Introduced'


September 2013

  • Working sets now can be searched by typing the name in the search box  that appears. This will make it a lot easier that having to scroll down  the list to find a particular working set

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