The Tundra Shrew, Sorex tundrensis, is a small shrew found in Alaska, the northern Yukon and eastern Russia. At one time, this animal was considered to be a subspecies of the Arctic Shrew, Sorex arcticus. Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria (coral, jellyfish, anenomes) Placozoa (trichoplax) Subregnum Bilateria (bilateral symmetry) Acoelomorpha (basal) Orthonectida (flatworms, echinoderms, etc. ... Typical Classes Subphylum Urochordata - Tunicates Ascidiacea Thaliacea Larvacea Subphylum Cephalochordata - Lancelets Subphylum Myxini - Hagfishes Subphylum Vertebrata - Vertebrates Petromyzontida - Lampreys Placodermi (extinct) Chondrichthyes - Cartilaginous fishes Acanthodii (extinct) Actinopterygii - Ray-finned fishes Actinistia - Coelacanths Dipnoi - Lungfishes Amphibia - Amphibians Reptilia - Reptiles Aves - Birds Mammalia - Mammals Chordates (phylum Chordata) include the vertebrates, together with... Orders Subclass Multituberculata (extinct) Plagiaulacida Cimolodonta Subclass Palaeoryctoides (extinct) Subclass Triconodonta (extinct) Subclass Eutheria (includes extinct ancestors)/Placentalia (excludes extinct ancestors) Afrosoricida Artiodactyla Carnivora Cetacea Chiroptera Cimolesta (extinct) Creodonta (extinct) Condylarthra (extinct) Dermoptera Desmostylia (extinct) Embrithopoda (extinct) Hyracoidea Insectivora Lagomorpha Litopterna (extinct) Macroscelidea Mesonychia (extinct) Notoungulata (extinct) Perissodactyla Pholidota Plesiadapiformes... Families Erinaceidae Soricidae Talpidae Solenodontidae The biological order Insectivora in the past was used as a scrapbasket for a variety of small to very small, relatively unspecialized, insectivorous mammals. ... Genera Anourosorex Blarina Blarinella Chimarrogale Congosorex Crocidura Cryptotis Diplomosodon Feroculus Megasorex Myoserex Nectogale Neomys Nesiotites Notiosorex Ruwenzorisorex Scutisorex Solisorex Sorex Soriculus Suncus Surdisorex Sylvisorex Shrews are small, superficially mouse-like mammals of the family Soricidae. ... Species See text The genus Sorex is a group of mainly land-dwelling shrews with relatively long tails which includes many of the common shrews of Europe and North America. ... In biology, binomial nomenclature is the formal method of naming species. ... Clinton Hart Merriam (December 5, 1855-March 19, 1942) was an American zoologist and ornithologist. ... 1900 (MCM) is a common year starting on Monday. ... Genera Anourosorex Blarina Blarinella Chimarrogale Congosorex Crocidura Cryptotis Diplomosodon Feroculus Megasorex Myoserex Nectogale Neomys Nesiotites Notiosorex Ruwenzorisorex Scutisorex Solisorex Sorex Soriculus Suncus Surdisorex Sylvisorex Shrews are small, superficially mouse-like mammals of the family Soricidae. ... State nickname: The Last Frontier, The Land of the Midnight Sun Official languages English Capital Juneau Largest city Anchorage Governor Frank Murkowski (R) Senators Ted Stevens (R) Lisa Murkowski (R) Area  - Total  - % water Ranked 1st 663,267 mi² / 1,717,854 km² 13. ... Motto: none Official languages English Capital Whitehorse Largest city Whitehorse Commissioner Geraldine Van Bibber Premier Dennis Fentie (Yukon Party) Parliamentary representation  - House seat  - Senate seats 1 1 Area  - Total  - % water Ranked 9th 482,443 km² 1. ... Binomial name Sorex arcticus (Kerr, 1792) The Arctic Shrew, Sorex arcticus, is a medium-sized shrew found in Canada and the northern United States. ...

It is dark brown on its back with pale brown sides and grey underparts. Its tail is brown on top and lighter brown below. Its fur grows longer for winter. Its body is about 12 cm in length including a 4 cm long tail. It weighs about 11 g.

These animals are found on hillsides with shrubs or grassy vegetation or dry ridges near marshes or bogs.

They eat insects, worms and grasses. Predators include hawks and owls. The term hawk refers to birds of prey in any of three senses: Strictly, to mean any of the species in the genera Accipiter, Micronisus, Melierax, Urotriorchis, and Megatriorchis. ... For uses of the word Owl as a three letter acronym, see OWL. Families Strigidae Tytonidae An owl is any of some 220+ species of solitary, mainly nocturnal birds of prey in the order Strigiformes. ...

These animals are active day and night year-round, burrowing through the snow in winter. They mate during the spring. 4 to 8 young are born in a nest under a log or in a crevice.