As such, the IUCN lists them as Data Deficient.

In the hope that an undiscovered population remains, it is listed as Data Deficient by the IUCN.

It is listed as Data Deficient on the IUCN Red List.

Not much on its conservation is known, so it is listed as Data Deficient by the IUCN.

It is listed as Data Deficient because it is known only from the type specimen collected in 1901.

The Antarctic minke whale is listed as Data Deficient.

The International Union for Conservation of Nature has listed the bignose shark as Data Deficient overall, due to inadequate population and fishery monitoring.

The study shows at least 1,141 of the 5,487 mammals on Earth are known to be threatened with extinction, and 836 are listed as Data Deficient.

Because of the uncertainty regarding this lemur's habitat range, its conservation status is listed as Data Deficient.

The status of several other species are poorly known, leading to them being listed as Data Deficient.