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In breeding season, several males form mating herds around an individual female; on average, one calf is born to a female manatee every two to three years. [11] In the 1970s, the West Indian manatee was listed as "endangered" in the United States under the Endangered Species Act, when there were only several hundred left. [12]
The West Indian manatee migrates into Florida rivers—such as the Crystal, the Homosassa, and the Chassahowitzka rivers, whose headsprings are 22 °C (72 °F) all year. Between November and March each year, about 600 West Indian manatees gather in the rivers in Citrus County, Florida such as the Crystal River National Wildlife Refuge. [40]
Manatee gestation is around one year, and then they lactate for one to two years. West Indian manatees and African manatees can breed year-round, and a female will mate with multiple males. [58] Amazonian manatees have a breeding season, usually mating when the river levels begin to rise, which varies from place to place. [59]
The dugong (/ ˈ d (j) uː ɡ ɒ ŋ /; Dugong dugon) is a marine mammal.It is one of four living species of the order Sirenia, which also includes three species of manatees.It is the only living representative of the once-diverse family Dugongidae; its closest modern relative, Steller's sea cow (Hydrodamalis gigas), was hunted to extinction in the 18th century.
The U.S. Fish and Wildlife Service in the coming months will round up manatee data and decide whether the West Indian manatee species should be given bolstered ...
Articles related to the Manatees (genus Trichechus), 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 African manatee (Trichechus ...
A humpback whale (Megaptera novaeangliae) A leopard seal (Hydrurga leptonyx). Marine mammals are mammals that rely on marine (saltwater) ecosystems for their existence. They include animals such as cetaceans (whales, dolphins and porpoises), pinnipeds (seals, sea lions and walruses), sirenians (manatees and dugongs), sea otters and polar bears.
West Indian manatees. Sirenia is an order of fully aquatic, herbivorous mammals that inhabit rivers, estuaries, coastal marine waters, swamps, and marine wetlands. All four species are endangered. Family: Trichechidae. Genus: Trichechus. West Indian manatee, T. manatus VU extirpated