This page provides links to resources with facts on marine mammals and identification of species
A detailed guide with information and photographs featuring the 85 currently recognized species of whales, dolphins and porpoises collectively known as 'cetaceans'. This guide is up-dated regularly with the latest information.
National Oceanic and Atmospheric Administration
Guides to cetaceans (whales, dolphins and porpoises) and pinnipeds (seals, sea lions and walruses) of the Northeast United States. NOAA is a federal agency focused on the condition of the oceans and the atmosphere.
Click on Seal Information, then Species Information. The Seal Conservation Society is a UK/Ireland based non-profit.
Seals found in New England waters: there are 5 species of seals seen seasonally. Year round - Grey and Harbor Seals. Winter only - Harp, Hooded and Ringed Seals.