Lists of IUCN Red List data deficient species

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

• Animals
  • Amphibians — List of data deficient amphibians
  • Birds — List of data deficient birds
  • Fish — List of data deficient fishes
  • Invertebrates — List of data deficient invertebrates
    • Arthropods — List of data deficient arthropods
      • Insects — List of data deficient insects
    • Molluscs List of data deficient molluscs
  • Mammals — List of data deficient mammals
  • Reptiles — List of data deficient reptiles
• Plants — IUCN Red List data deficient species (Plantae)
• Chromista / Protista — List of Chromista by conservation status (9 data deficient species)
• Fungi — List of fungi by conservation status (1 data deficient species)

Older lists (IUCN 2009.2)

• Annelida — IUCN Red List data deficient species (Annelida)
• Chordata — IUCN Red List data deficient species (Chordata)
• Cnidaria — IUCN Red List data deficient species (Cnidaria)
• Nemertina — IUCN Red List data deficient species (Nemertina)
• Onychophora — IUCN Red List data deficient species (Onychophora)
• Protista — IUCN Red List data deficient species (Protista)

References

• IUCN 2009. IUCN Red List of Threatened Species, v2009.2. Source of the above list: online IUCN Red List. Retrieved d.d. 29 January 2010.

Threatened species
Template: Threatened species by region
IUCN Red List	Categories1 Extinct Extinct (EX) Extinct in the Wild (EW) Threatened Critically Endangered (CR) Endangered (EN) Vulnerable (VU) Lower risk Near Threatened (NT) Least Concern (LC) Lower Risk (LR) Conservation Dependent (LR/cd) Not fully assessed Data Deficient (DD) Not Evaluated (NE) Species Lists Extinct Extinct in the Wild Critically Endangered Endangered Vulnerable Near Threatened Least Concern Data Deficient WP categories Extinct Extinct in the Wild Critically Endangered Endangered Vulnerable Near Threatened Least Concern Data Deficient
By taxa	Endangered arthropods / spiders Threatened Banksia / rays / sharks / sturgeons The World's 25 Most Endangered Primates The world's 100 most threatened species
Conservation	Biodiversity action plan Biodiversity threats Conservation biology CITES ARKive Bird conservation Conservation status Conservation-reliant species Ecoregion conservation status Habitat destruction Latent extinction risk Rare species Vulnerability and susceptibility
1 Pre-2001 categories and subcategories shown in italics.