Red List categories

Wildlife in a Changing World presents an analysis of the 2008 IUCN Red List of Threatened Species. Beginning with an explanation of the IUCN Red List as a key conservation tool, it goes on to discuss the state of the worlds species and provides the latest information on the patterns of species facing extinction in some of the most important ecosystems in the world, highlighting the reasons behind their declining status.

This report has been produced by ZSL in collaboration with WWF, IUCN and SSC. It considers for the first time the current status and trends of global vertebrates in the context of human pressures, with a particular focus on threatened, novel and evolutionary distinct species.

Red Lists are valuable for informing species protection policy and are important as indicators as well as a tool for communication between all those involved in species protection. There are some 3,700 Red Lists in use across Europe, but the approach, aims and criteria used vary widely. A partial result of this is that Red List Species are rarely used for European ecological networks and play a modest role in the updating of the Wild Birds and Habitats directives.

These guidelines provide a logical framework for assessing species at sub-global levels; a means of sharing status information with neighbouring countries; and a suggested format for documentation and publication of listings to improve compatibility with the global IUCN Red List of Threatened Species.

These guidelines provide a logical framework for assessing species at sub-global levels; a means of sharing status information with neighbouring countries; and a suggested format for documentation and publication of listings to improve compatibility with the global IUCN Red List of Threatened Species.

These guidelines provide a logical framework for assessing species at sub-global levels; a means of sharing status information with neighbouring countries; and a suggested format for documentation and publication of listings to improve compatibility with the global IUCN Red List of Threatened Species.

The threatened species categories used in Red Data Books and Red Lists have been in place for almost 30 years. The IUCN Red List Categories and Criteria provide an easily and widely understood system for classifying species at high risk of global extinction, so as to focus attention on conservation measures designed to protect them.

The threatened species categories used in Red Data Books and Red Lists have been in place for almost 30 years. The IUCN Red List Categories and Criteria provide an easily and widely understood system for classifying species at high risk of global extinction, so as to focus attention on conservation measures designed to protect them.

The threatened species categories used in Red Data Books and Red Lists have been in place for almost 30 years. The IUCN Red List Categories and Criteria provide an easily and widely understood system for classifying species at high risk of global extinction, so as to focus attention on conservation measures designed to protect them.