| 1. | The sea cows often can be seen meandering in the clear water.
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| 2. | Steller described the sea cows as being gregarious and highly social.
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| 3. | Airport security workers went under water to perform a sea cow security scan.
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| 4. | The Steller's sea cow went extinct due to overhunting in 1768.
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| 5. | Compare dodos, moas, steller's sea cows, etc . which did not have natural predators.
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| 6. | The Steller's sea cow became extinct in the 18th century.
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| 7. | The Cuesta sea cow went extinct around 2 and a half million years ago.
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| 8. | The pregnant sea cow was found Sunday in Tampa Bay.
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| 9. | You'll also learn the etiquette necessary when swimming with manatees ( sea cows ).
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| 10. | Manatees, walrus-like animals also known as sea cows, are protected under federal endangered species laws.
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