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