IUCN Otter Specialist Group - The aims of the OSG, as set out by the IUCN, are to: 1. Provide leadership for the conservation of all otter species (Lutrinae). 2. Determine and review on a continuing basis the status and needs of otters, and promote the implementation of necessary research, conservation and management programmes by appropriate individuals, organisations and governments. 3. Make known the status and conservation needs of otters, promoting the wise management of otter species.
International Otter Survival Fund - The International Otter Survival Fund (IOSF) is one of the world's leading otter charities. In the UK IOSF is the only charity solely dedicated to the conservation, protection and care of otters based on years of scientific research in the UK and around the world.
River Otter Ecology Project - Our mission is to engage the public in supporting conservation and restoration by linking river otter recovery to the health of our watersheds through education, research, and community science.
North American Otter Chronicles -To help protect and conserve and study North American otters and support the conservation initiatives for all the World’s otters and to aid our understanding and interest in the biology, behavior, and ecology of otters and help educate ourselves, our children, and others about otters worldwide.