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Steller's sea cow (Hydrodamalis gigas) is an extinct sirenian described by Georg Wilhelm Steller in 1741. At that time, it was found only around the Commander Islands in the Bering Sea between Alaska and Russia; its range extended across the North Pacific during the Pleistocene epoch, and likely contracted to such an extreme degree due to the glacial cycle.
They reached up to 9 metres (30 ft) in length, making the Steller's sea cow among the largest mammals other than whales to have existed in the Holocene epoch. [3] Steller's sea cow was first described by Georg Wilhelm Steller, [4] Cuesta by Daryl Domning, [5] and Takikawa by Hitoshi Furusawa. [2]
Extant sirenians grow to between 2.5 and 4 metres (8.2 and 13.1 ft) in length and can weigh up to 1,500 kilograms (3,300 lb). Steller's sea cow was the largest known sirenian to have lived, and could reach lengths of 9 metres (30 ft) [41] and weight of 8 to 10 tonnes (8.8 to 11.0 short tons). [44]
Steller's sea cow: Hydrodamalis gigas: Bering Sea; Northern Pacific coasts from Japan to Baja California (Pleistocene) 1768 1986 (IUCN) Hunting and reduction of kelp as a result of sea otter hunting, which caused proliferation of kelp-eating sea urchins. [221] 1763: Réunion ibis: Threskiornis solitarius: Réunion 1988 (IUCN) Hunting. [222 ...
The Steller's sea cow (Hydrodamalis gigas) was hunted to extinction by 1768, while the genus Dusisiren is known from fossils dating from the middle Miocene to early Pliocene. [ 1 ] References
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.
It included the Steller's sea cow (Hydrodamalis gigas), the Cuesta sea cow (Hydrodamalis cuestae), and the Takikawa sea cow (Hydrodamalis spissa). Pages in category "Hydrodamalis" The following 4 pages are in this category, out of 4 total.
The Steller's sea cow was a sirenian endemic to Bering Sea between Russia and the United States but had a much larger range during the Pleistocene. First described by Georg Wilhelm Steller in 1741, it was hunted to extinction 27 years later due to its buoyancy making it an easy target for humans hunting it for its meat and fur in addition to an ...