Professional organisations
Other websites
The International Union for Conservation of Nature (IUCN)
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Search the IUCN Red ListThe IUCN Red List of Threatened Species™ is widely recognized as the most comprehensive, objective global approach for evaluating the conservation status of plant and animal species.
Protected Planet
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Protected PlanetProtectedPlanet.net is the online interface for the World Database on Protected Areas (WDPA), a joint project of IUCN and UNEP. View an interactive map of the world's protected areas, statistics towards international biodiversity achievements, reports, and more.