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The narwhal was scientifically described by Carl Linnaeus in his 1758 publication Systema Naturae. [5] The word "narwhal" comes from the Old Norse nárhval, meaning 'corpse-whale', which possibly refers to the animal's grey, mottled skin and its habit of remaining motionless when at the water's surface, a behaviour known as "logging" that usually happens in the summer.
Belugas can be found in the far north of the Atlantic and Pacific Oceans; the distribution of narwhals is restricted to the Arctic and Atlantic Oceans. Monodontids have a wide-ranging carnivorous diet, feeding on fish, molluscs, and small crustaceans. They have reduced teeth, with the beluga having numerous simple teeth, and the narwhal having ...
Opossums probably diverged from the basic South American marsupials in the late Cretaceous or early Paleocene. They are small to medium-sized marsupials, about the size of a large house cat, with a long snout and prehensile tail. Family: Didelphidae (American opossums) Subfamily: Didelphinae. Virginia opossum, D. virginiana [n 1] [n 2] LC
This is a list of North American mammals. It includes all mammals currently found in the United States , St. Pierre and Miquelon , Canada , Greenland , Bermuda , Mexico , Central America , and the Caribbean region, whether resident or as migrants .
Family Monodontidae (narwhal and beluga whale) Beluga whale (Delphinapterus leucas) LC. Cook Inlet subpopulation CR; Narwhal (Monodon monoceros) LC (Occasional vagrant from Arctic Ocean north of Canada, Greenland, and Russia) Family Physeteridae (sperm whale) Sperm whale (Physeter macrocephalus) VU
America's vultures, and some good news about condors. ... found throughout the continental U.S., while black vultures are found mostly in the nation's Southeast regions. Black vultures, as their ...
American beaver. American beaver, Castor canadensis. Distribution: Maine, New Hampshire, Vermont, Massachusetts, Connecticut, and Rhode Island. Subspecies: Neither Helgen (2005) not Whitaker and Hall (1998) recognize any subspecies of Castor canadensis. Hall (1981) considers all New England forms to be Castor canadensis acadicus.
This article originally appeared on Austin American-Statesman: Invasive Australian species found in US: Are the critters harmful? Advertisement. In Other News. Entertainment. Entertainment.