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Data Deficient

Diagram of IUCN conservation categories
Diagram of IUCN conservation categories

Data Deficient (DD) is a category applied by the IUCN, other agencies and individuals to a species when the available information is not sufficient for a proper assessment of conservation status to be made.

This does not necessarily indicate that the species has not been extensively studied, but it does indicate that little or no information is available on the abundance and distribution of the species.

Examples of species that are data deficient are: Slender-Snouted Crocodile, False Killer Whale, and Somali Elephant Shrew.

Also see:
Least Concern
Near Threatened
Critically Endangered
Extinct in the Wild


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