Marine Mammals
- News
- Soundnet: Current News
- Web Sites
- African Marine Mammals
- Alaska Marine Conservation Council
- Alliance of Marine Mammal Parks & Aquariums
- American Cretacean Society
- Aquatic Mammals
- Atlantic Whale Foundation
- Census of Marine Life
- Center for Whale Research
- Cetacea
- Cetacean Bycatch Resource Center
- Cetacean Science at Dalhousie University
- Cetacean Society International
- DELPHIS Mediterranean Dolphin Conservation
- Dolphin Institute, Hawaii
- Dolphin Place
- Dolphin Research Institute
- Dolphins around the World
- Dolphins: The Oracles of the Sea
- European Association for Aquatic Mammals
- European Cetacean Society
- Friends of the Elephant Seal
- Friends of the Sea Otter
- Hawaii Whale Research Foundation
- International Association for Aquatic Animal Medicine
- International Dolphin Watch
- International Marine Mammal Project
- International Marine Animal Trainers' Association
- International Otter Survival Fund
- International Whaling Commission
- Internet Marine Mammal Resource List
- Killer Whales Biology
- Killer Whale Website
- Marine Mammal Center
- Marine Mammal Cognition
- Marine Mammal Links
- Marine Mammal Protection Act
- Marine Mammal Research Unit
- Marine Mammal Stranding Center
- National Marine Mammal Laboratory
- NetVet: Marine Mammals
- North Gulf Oceanic Society
- North Pacific Universities Marine Mammal Research Consortium
- Ocean Mammal Institute
- Oceanologia
- Orca Network
- OrcaLive
- Otternet
- Pacific Marine Mammal Center
- Pacific Whale Foundation
- Pacific Whale Watch Association
- Pinniprd Research in Cognition & Sensory Systems
- Polar Bears International
- Porpoise Page
- Save the Manatee Club
- Sea Otter Projects at the Alaska Science Center
- Sirenian International
- Society for Marine Mammalogy
- Texas Marine Mammal Stranding Network
- Whale and Dolphin Conservation Society
- Whale Museum
- Whale Watching Web
- WhaleGuide
- WhaleNet
- Wild Dolphin Project
- Wild Whales