Spesies
Species 2000
Global Invasive Species Database
Species II
Endangered Species Act
Species (film)
Species Plantarum
The Female of the Species (film)
World Register of Marine Species
Invasive Species Compendium
Genetics and the Origin of Species
On the Tendency of Species to form Varieties; and on the Perpetuation of Varieties and Species by Natural Means of Selection
Mammal Species of the World
CITES
Asal-usul Spesies
Undang-Undang Konservasi Keragaman Hayati dan Perlindungan Lingkungan Hidup 1999
Kurva spesies-area
Komisi Penyelamatan Spesies IUCN
Daftar merah IUCN