Sei whale  (Balaenoptera borealis)

For more on the sei whale and other whales and dolphins see:

• The Whale and Dolphin Conservation Society:
  www.wdcs.org/
• Carwardine, M., Hoyt, E., Fordyce, R.E., and Gill, P. (1998) Whales and Dolphins. Harper Collins Publishers, London.
• The Smithsonian Institution's North American Mammals website:
  www.mnh.si.edu/mna/