20201106 三姐妹泉中的西印度海牛，克里斯特尔里弗国家野生动物保护区 必应壁纸

西印度海牛 三姐妹泉中的西印度海牛 为了纪念西印度海牛意识月，我们将带着两只友好的“海牛”在佛罗里达州克里斯特尔里弗国家野生动物保护区 清澈的、以水为食的泉水中游泳。海牛通常是孤独的动物，它们也很好奇，会靠近船只。这就是为什么佛罗里达州对船艇实行特别限速区，特别是海牛正转移到温暖的地区过冬。虽然海牛没有已知的自然捕食者，但由于栖息地的丧失和与船只的碰撞，它们仍然是一个脆弱的物种。这两人已经抵达三姐妹泉，这是佛罗里达半岛西海岸水晶河国家野生动物保护区的一个天然淡水泉。避难所保护着数百头迁徙到这里的海牛的重要栖息地冬天。大多数佛罗里达海岸外的西印度海牛生活在浅水沼泽地区，以海草、红树林树叶和藻类为食。海牛是海洋中最大的食草动物，几乎有半天都在吃绿叶。吃了那么多东西，还有什么比小睡更好的呢？海牛会在水下休息15分钟，在水下休息15分钟。

原文:

In observance of Manatee Awareness Month, we're swimming through clear, aquafer-fed spring waters in Florida with two friendly 'sea cows.' Generally solitary animals, manatees are also known to be curious and will approach boats. That's why Florida enforces special speed zones for watercraft, particularly as the manatees are on the move to warmer areas to spend the winter. While manatees have no known natural predators, they remain a vulnerable species due to loss of habitat and collisions with boats. These two have arrived in Three Sisters Spring, a natural freshwater spring in the Crystal River National Wildlife Refuge on the west coast of the Florida Peninsula. The refuge protects critical habitat for the hundreds of manatees that migrate here each winter.Most West Indian manatees off the coast of Florida live in shallow and marshy areas where they feed on sea grass, mangrove leaves, and algae. The ocean's largest herbivore, sea cows nosh on greenery for almost half the day. And what could be better than a nap after all that munching? Manatees will often sleep underwater for the other half of the day, coming to the surface for air in 15- to 20-minute intervals and grazing for food again in shallow waters.

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