- Florida's manatees take a hit. (Marine Life).(increase in manatee death)(endangered species ): An article from: OnEarth by Gillian Ashley, 2003-01-01
- Basking with Humpbacks: Tracking Threatened Marine Life in New England Waters by Todd McLeish, 2009-09-25
- Seals and Sea Lions (Endangered Animals & Habitats) by Lesley A. Dutemple, 1999-01
- Top 50 Reasons to Care About Marine Turtles: Animals in Peril (Top 50 Reasons to Care About Endangered Animals) by Sara Cohen Christopherson, 2010-01
- OUR END EARTH OCEAN LIFE P (Our Endangered Earth) by David Cook, 1985-01-14
- Endangered Animals and Habitats - The Whale by Adam Woog, 1997-06-01
- The Shark (Endangered Animals & Habitats) by Adam Woog, 1998-01
- The Manatee (Endangered Animals & Habitats) by Claire Price-Groff, 1999-04
- Seals (Endangered!) by Johannah Haney, Anna Haney-withrow, 2010-09
- The Galapagos Penguin (Endangered and Threatened Animals) by Kim A. O'Connell, 2005-04-30
- Steller Sea Lions (Eye to Eye With Endangered Species) by Precious McKenzie, 2009-08
- Shark: Endangered Predator of the Sea by Marty Snyderman, 1999-01
- The Sperm Whale: Help Save This Endangered Species! (Saving Endangered Species) by Alison Imbriaco, 2008-03
- The Green Sea Turtle: Help Save This Endangered Species! (Saving Endangered Species) by Marty Fletcher, Glenn Scherer, 2006-03
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