Marine Mammals
- News
- Soundnet: Current News
- Web Sites
- Alaska Marine Conservation Council
- Alliance of Marine Mammal Parks & Aquariums
- American Cretacean Society
- Animal Diversity Web: Cetacea
- Aquatic Mammals
- Atlantic Whale Foundation
- Australian Marine Mammal Centre
- Census of Marine Life
- Center for Whale Research
- Cetacea
- Cetacean Science at Dalhousie University
- Cetacean Society International
- Cetaceanhabitat
- Delphis Mediterranean Dolphin
- Dental Facts About Whales
- Dolphin Communication Project
- Dolphin Institute, Hawaii
- Dolphin Place
- Dolphin Research Institute
- Dolphins Around the World
- Dolphins-World
- 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
- Killer Whales Biology
- Manatee Animal InfoBook
- Marine Mammal Center
- Marine Mammal Protection Act
- Marine Mammal Research Unit
- Marine Mammal Stranding Center
- National Marine Mammal Laboratory
- NetVet: Marine Mammals
- NOAA Fisheries: Marine Animals
- 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
- Save the Manatee Club
- Sirenian International
- Society for Marine Mammalogy
- Texas Marine Mammal Stranding Network
- Whale and Dolphin Conservation Society
- Whale Museum
- Whalefish
- WhaleGuide
- WhaleNet
- WhaleNet Internet Resources
- Wild Dolphin Project
- Wild Whales