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Manatees (/ ˈ m æ n ə t iː z /, family Trichechidae, genus Trichechus) are large, fully aquatic, mostly herbivorous marine mammals sometimes known as sea cows.There are three accepted living species of Trichechidae, representing three of the four living species in the order Sirenia: the Amazonian manatee (Trichechus inunguis), the West Indian manatee (Trichechus manatus), and the West ...
The recently extinct Steller's sea cow was the largest known sirenian to have lived, reaching lengths of 10 metres (33 feet) and weights of 5 to 10 tonnes (5.5 to 11.0 short tons). [ 2 ] Sirenians have a large, fusiform body which reduces drag through the water and heavy bones that act as ballast to counteract the buoyancy of their blubber .
Dolphin meat is high in mercury, and may pose a health danger to humans when consumed. [17] Ringed seals were once the main food staple for the Inuit. They are still an important food source for the people of Nunavut [18] and are also hunted and eaten in Alaska. Seal meat is an important source of food for residents of small coastal communities ...
The recently published study suggests that the giant sea cows may not have arrived in large numbers to the state of Florida until after European settlements started sprouting up in the 1500s.
Male orphaned manatees Nighthawk, who weighs 678 pounds, and Mr. Dobak, who weighs 497 pounds, were flown to Seaworld Orlando this week to finish their rehabilitation before being released into ...
Commercial hunting lead to the extinction of Steller's sea cow and the Caribbean monk seal. [ 36 ] [ 37 ] After commercial hunting ended, some species, such as the gray whale and northern elephant seal, [ 38 ] [ 39 ] have rebounded in numbers, however the northern elephant seal has a genetic bottleneck ; [ 39 ] conversely, other species, such ...
A fossil reveals how a now-extinct species of dugong was swimming in the sea about 15 million years ago when it was preyed upon by a crocodile and a tiger shark.
In the north Pacific, blue whales primarily eat the krill species Euphausia pacifica and Thysanoessa spinifera. [55] Fin whale Balaenoptera physalus: Beluga whale Delphinapterus leucas: During the summer, belugas eat a variety of fish, occasionally supplemented by other small marine life. Belugas' winter feeding habits are virtually unknown.