MarineBio Conservation Society
Marine Bio: Sei Whales
Discover useful information about sei whales including description, behavior, range, habitat, diet, breeding, and conservation status.
NOAA
Noaa: Endangered Whales
"There are currently seven species of cetaceans in U.S. waters that are protected under the Endangered Species Act." This site provides links to each species as well as provides colorful and engaging pictures.
Smithsonian Institution
National Museum of Natural History: American Mammals: Sei Whale
Unlike other rorquals, Sei whales have a dolphin-like dorsal fin. They are also unusual in using two different methods to fill their mouths with water during feeding - they both gulp and skim-feed. Learn more about the Balaenoptera...