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Encyclopedic overview
The short-nosed deceptive chameleon of eastern Madagascar is a species classed as data deficient; its population is unknown
A data deficient (DD) species is one which has been categorized by the International Union for Conservation of Nature (IUCN) as offering insufficient information for a proper assessment of conservation.
Excerpted from Wikipedia’s “Data Deficient” article, available under the CC BY-SA 4.0 licence.