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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.
Dugongidae's body weight ranges from 217 to 307 kg for juveniles, 334 to 424 kg for subadults, and 435 to 568.5 kg for adults. Oral temperatures for individual dugongs is determined from 24° to 34.2 °C. Heart rate readings are from 40 to 96 bpm and vary between individual dugongs. Respiration rate during the out-of-water phase is from 1 to 33.
A dugong's brain weighs a maximum of 300 grams (11 ounces), about 0.1% of the animal's body weight. [33] The bodies of sirenians are sparsely covered in short hair ( vibrissae ), except that it becomes denser on the muzzle, which may allow for tactile interpretation of their environment. [ 45 ]
While the East mainly encounters rain in the last hours of 2024, parts of the Midwest are in for a sloppy New Year’s Eve as some snow mixes with rain at times.
In Smith's case, scientists used genome sequencing to build a DNA profile for the murder suspect, according to Othram Inc., a labratory that specializes in forensic genetic genealogy to assist law ...
Articles relating to the Dugongidae, a family in the order of Sirenia. The family has one surviving species , the dugong ( Dugong dugon ), one recently extinct species, Steller's sea cow ( Hydrodamalis gigas ), and a number of extinct genera known from fossil records.
When you repeat a movement—like lifting weights or nailing a yoga pose—the body’s motor control center (which includes the premotor cortex, cerebellum, and spinal cord) is hard at work ...
Paenungulata (from Latin paene "almost" + ungulātus "having hoofs") is a clade of "sub-ungulates", which groups three extant mammal orders: Proboscidea (including elephants), Sirenia (sea cows, including dugongs and manatees), and Hyracoidea ().