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Manatees have nostrils, not blowholes like other aquatic mammals, which close when underwater to keep water out and open when above water to breathe. [14] Although manatees can remain under water for extended periods, surfacing for air about every five minutes is common. [15] [16] The longest documented submergence of an Amazonian manatee in ...
Sirenians typically make two- to three-minute dives, [74] but manatees can hold their breath for up to 15 minutes while resting [72] and dugongs up to six minutes. They may stand on their tail to hold their head above water. [75]
Sirenians typically make two- to three-minute dives, [36] but manatees can hold their breath for up to 15 minutes while resting [34] and dugongs up to six minutes. They may stand on their tails to hold their heads above water.
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Manatees use their flippers to "walk" along the bottom whilst they dig for plants and roots in the substrate. When plants are detected, the flippers are used to scoop the vegetation toward the manatee's lips. The manatee has prehensile lips; the upper lip pad is split into left and right sides which can move independently. The lips use seven ...
The long and thin legs of a moose limit exposure to and friction from water in contrast to hippopotamuses who keep most of their body submerged and have short and thick legs. The semiaquatic pygmy hippopotamus can walk quickly on a muddy underwater surface thanks to robust muscles and because all toes are weight-bearing. Some aquatic mammals ...
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