A data deficient (DD) species is one which has been categorized by the International Union for Conservation of Nature (IUCN) as offering insufficient information...

species   Data deficient (DD): 872 species In September 2016, the International Union for Conservation of Nature (IUCN) listed 783 data deficient mammalian...

species   Data deficient (DD): 3,191 species In September 2016, the International Union for Conservation of Nature (IUCN) listed 3191 data deficient fish species...

species   Data deficient (DD): 46 species As of December 2020, the International Union for Conservation of Nature (IUCN) lists 46 data deficient avian species...

Earth are known to be threatened with extinction, and 836 are listed as Data Deficient. The Red List of 2012 was released 19 July 2012 at Rio+20 Earth Summit;...

Protista) data deficient species. Lists of data deficient species Animals Amphibians — List of data deficient amphibians Birds — List of data deficient birds...

species   Data deficient (DD): 5,371 species As of September 2016, the International Union for Conservation of Nature (IUCN) lists 1674 data deficient plant...

species   Data deficient (DD): 910 species As of September 2016, the International Union for Conservation of Nature (IUCN) lists 910 data deficient reptile...

Widespread and abundant taxa are included in this category. Data deficient (DD) – Not enough data to make an assessment of its risk of extinction Not evaluated...

or disruption of biotic processes and interactions). An ecosystem is Data Deficient when there is inadequate information to make a direct, or indirect,...