31. Steller's sea cow was a direct descendant of the Cuesta sea cow, an extinct tropical sea cow of California. 32. Like other sirenians, Steller's sea cow was an obligate herbivore, and kelp was most likely their main food source. 33. Steller's sea cow was a direct descendant of the Cuesta sea cow , an extinct tropical sea cow of California. 34. Keeping such bulky bodies fed requires a lot of vegetation, so the'sea cows 'keep moving in search of fresh grazing. 35. Manatees, often called sea cows , are facing perhaps their toughest year ever, and not just because of the cold. 36. Steller's sea cow was first described by Georg Wilhelm Steller, Cuesta by Daryl Domning, and Takikawa by Hitoshi Furusawa. 37. Steller's sea cow was a direct descendant of the Cuesta sea cow, an extinct tropical sea cow of California. 38. Two other possible drawings of Steller's sea cow were discovered in 1891 in the Tsarskoye Selo in Waxell's manuscript diary. 39. DEP uses a computer to match scars shown on the sea cows in the Ortona photos with others on file. 40. Steller's sea cow was the largest sirenian to have lived, and could reach lengths of, and could weigh in at.
