11. The sea cow was hunted to extinction within 27 years of its discovery in 1741. 12. Another caller wondered if Britain's mad cow disease had inflicted the " sea cows ." 13. Steller's sea cow was described as tasty by Steller. 14. Sirenians are referred to as " sea cows " because their diet consists mainly of sea-grass. 15. Sea cows are shallow divers with large lungs.16. Manatees, the endangered sea cows found in Florida's bays and rivers, have been especially hard hit. 17. "' Freshwater Sea Cows "'have traits common to both manatees or sea cows and dairy cows. 18. "' Freshwater Sea Cows "'have traits common to both manatees or sea cows and dairy cows. 19. The Pallas Picture is the only known drawing of Steller's sea cow from an actual specimen. 20. One member of the manatee family that reached elephant-like proportions, the Stellar's sea cow , is extinct.
