Weddell Seal: Leptonychotes weddelli
- Information on this Antarctic species, with photographs and vocal samples.
- http://www.antarctica2000.net/wildlife/weddell.html

Grey Seal
- Photographs and notes on this species, its biology and reproduction.
- http://www.bbc.co.uk/wales/southwest/nature/species/pages/greyseal.shtml

Pagophilus groenlandicus
- Photographs and information on the harp seal including its range, habitat, description, reproduction, behavior and impact on man and the environment.
- http://animaldiversity.ummz.umich.edu/site/accounts/information/Pagophilus_groenlandicus.html

Harp Seal (Pagophilus groenlandicus)
- Description and behavior of this species, its world range and habitat, its ecology and life history, with comments on how it is hunted and other factors influencing its population size.
- http://marinebio.org/species.asp?id=302

Harp Seal (Phoca groenlandica)
- The Seal Conservation Society provides information on this species also known as Pagophilus groenlandicus, its distribution and numbers, and its status under the Canadian, Norwegian and Russian hunts.
- http://www.pinnipeds.org/species/harp.htm

monachus-guardian.org
- Biology and conservation of the Mediterranean, Hawaiian, and Caribbean monk seals.
- http://www.monachus-guardian.org/

Ecocilicia Org - Kizilliman Marine Protected Area & Mediterranean Monk Seal Conservation Project
- Focuses on the study and conservation of marine animals, which inhabit the Mediterranean sea with a special focus on the region's monk seals.
- http://www.ecocilicia.org/

Marine Mammal Research Consortium - Steller Sea Lions
- Research on the relation between fisheries and Marine Mammals in the North Pacific Ocean and Eastern Bering Sea. Primary focus is the decline of the Steller sea lion population.
- http://www.marinemammal.org/

Mom - Association for the Study and Protection of the Mediterranean Seal
- Information about the Greek charity promoting conservation of Monachus monachus.
- http://www.skopelosweb.gr/mom/

Pinniped Research in Cognition and Sensory Systems
- Details of research program at the University of California, Santa Cruz.
- http://pinnipedlab.ucsc.edu/

Elephant Seal RadioCam
- Provides current image of a rookery in central California and 70,000 images collected since April 1999. Also includes streaming videos in Spanish and English.
- http://essp.csumb.edu/eseal/datanow.html

Pinniped Factsheets
- Biology and ecology of almost all the world's species.
- http://www.imma.org/pinnipeds/

Seals and Sealions of the Falklands
- Site offers maps, photographs and population data of Falklands seals and sealions.
- http://www.falklands.net/seals.htm

Online Zoologists: Pinnipeds
- Includes an extensive list of species and information.
- http://www.rtis.com/nat/user/elsberry/marspec/pms_pin_spc.html

Friends of the Elephant Seal
- Includes information on friends of the elephant seal and the elephant seal colony at Piedras Blancas.
- http://www.elephantseal.org