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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.
Unlike those of manatees, the dugong's teeth do not continually grow back via horizontal tooth replacement. [38] The dugong has two tusks which emerge in males during puberty, and sometime later in life for females after reaching the base of the premaxilla. [33] The number of growth layer groups in a tusk indicates the age of a dugong. [39]
Dugongs. 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: Dugongidae. Genus: Dugong. Dugong, D. dugon VU [3]
Photos from last year's Bank of America Winter Village at Bryant Park. The 2024-2025 festivities will run from Friday, Oct. 25 to Sunday, March 2. "There's a reason why people love coming back.
Prior to the banning of the trade in 1965, dugong oil was a popular Australian product. Brisbane chemists bought it in large quantities and it was also used in the production of cosmetics. Dugong bone, when turned into charcoal, was said to be the best charcoal for sugar refining. A ban on hunting dugongs in Moreton Bay was enacted on 20 March ...
The manatee's tail is paddle-shaped, and is the clearest visible difference between manatees and dugongs; a dugong tail is fluked, similar in shape to that of a whale. The manatee is unusual among mammals in having just six cervical vertebrae, [12] a number that may be due to mutations in the homeotic genes. [13]
This is in contrast to an igloo, which is built up from blocks of hard snow, and a snow cave, constructed by digging into the snow. The word is of Athabaskan origin [1] [2] and entered the English language by 1984. [3] A quinzhee can be made for winter camping and survival purposes, or for fun. A similar, but more elaborate snow house is called ...
The village is at an altitude of about 330 metres and is situated on a terraced plateau, just 230 metres by 240 metres in size, and with steep mountain slopes to the south. The forests on these slopes are also protected by the World Heritage Site to hold snow back from the village. Felling of trees here is prohibited. [1]: 52