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On 29 January 2010, the IUCN Red List of Threatened Species identified 6,702 (5,913 Animalia (1 Annelida, 1,328 Arthropoda, 3,814 Chordata, 149 Cnidaria, 617 Mollusca, 3 Nemertina, 1 Onychophora ), 780 Plantae, 9 Protista) data deficient species. Lists of data deficient species.
- Data deficient
IUCN Red List data deficient species. List of data deficient...
- IUCN Red List
Species are classified by the IUCN Red List into nine...
- List of data deficient plants
This is a complete list of data deficient plant species,...
- Data deficient
The IUCN Red List Categories and Criteria are intended to be an easily and widely understood system for classifying species at high risk of global extinction. It divides species into nine categories: Not Evaluated, Data Deficient, Least Concern, Near Threatened, Vulnerable, Endangered, Critically Endangered, Extinct in the Wild and Extinct.
IUCN Red List data deficient species (Annelida) List of data deficient arthropods; List of data deficient birds; IUCN Red List data deficient species (Chordata) IUCN Red List data deficient species (Cnidaria) List of data deficient fishes; List of data deficient insects; List of data deficient invertebrates; List of data deficient ...
Species are classified into one of nine Red List Categories: Extinct, Extinct in the Wild, Critically Endangered, Endangered, Vulnerable, Near Threatened, Least Concern, Data Deficient and Not Evaluated. Vulnerable, Endangered and Critically Endangered species are considered to be threatened with extinction.
