- International Union for Conservation of Nature (IUCN)
IUCN, International Union for Conservation of Nature, helps the world find pragmatic solutions to our most pressing environment and development challenges
- IUCN Red List
The IUCN Red List is the most comprehensive information source on the status of wild species and their links to livelihoods.
- National Geographic – Animal Facts
Learn all you wanted to know about animals with National Geographic.
The Smithsonian is the world’s largest museum and research complex, with 19 museums, 9 research centers and more than 140 affiliate museums around the world.