IUCN Red List data deficient species (Chordata) explained
, the IUCN Red List of Threatened Species identified 8509 data deficient species in the Chordata phylum (Animalia kingdom).
Siluriformes
Synbranchiformes
Amphibia
Aves
Trochilidae
Columbiformes
Columbidae
Accipitridae
Procellariiformes
Chimaeriformes
Mammalia
Carnivora
Cetartiodactyla
Ziphiidae
Didelphimorphia
Didelphidae
Peramelemorphia
Primates
Reptilia
Squamata
Testudines
References
