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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.
Extinct due to overfishing, predation by the sea lamprey which colonized the lakes in the 1940s, and hybridization with other ciscoes. [89] Deepwater cisco: Coregonus johannae: Lakes Michigan and Huron Last collected in Lake Michigan in 1951, and in Lake Huron in 1952. Extinct due to overfishing, sea lamprey predation, and hybridization with ...
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
It included the Steller's sea cow (Hydrodamalis gigas), the Cuesta sea cow (Hydrodamalis cuestae), and the Takikawa sea cow (Hydrodamalis spissa). The fossil genus Dusisiren is regarded as the sister taxon of Hydrodamalis: together, the two genera form the dugong subfamily Hydrodamalinae. [1]
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.
By 1768, Steller's sea cow was extinct. [55] As furs were depleted on nearby islands, Russian traders sailed farther east along the Aleutian chain . By the 1760s, they were regularly sailing to Kodiak Island.
Jan. 22—The arrival of the rare Steller's sea eagle in Maine has caused quite a stir among bird-watching aficionados. The massive bird from Siberia has spent the last few weeks chilling along ...
Not included in this list is the Steller's sea cow, an extinct sirenian that was once native to Alaska's Aleutian Islands before being hunted to extinction in 1768. [2] This article presents the common and scientific names for each species, along more information about the animal.