Masked Shrew Conservation status: Secure
Scientific classification
Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Insectivora Family: Soricidae Genus: Sorex Species: cinereus
Binomial name
Sorex cinereus (Kerr, 1792)

The Masked Shrew, Sorex cinereus, is a small shrew found in Alaska, Canada, the northern United States, and northeastern Siberia. This is the most widely distributed shrew in North America and it is also known as the Common Shrew there. Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria Placozoa Bilateria  Acoelomorpha  Orthonectida  Rhombozoa  Myxozoa  Superphylum Deuterostomia     Chordata (vertebrates, 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 Monotremata Monotremata Subclass Marsupialia Didelphimorphia Paucituberculata Microbiotheria Dasyuromorphia Peramelemorphia Notoryctemorphia Diprotodontia Subclass Placentalia Xenarthra Dermoptera Desmostylia Scandentia Primates Rodentia Lagomorpha Insectivora Chiroptera Pholidota Carnivora Perissodactyla Artiodactyla Cetacea Afrosoricida Macroscelidea Tubulidentata Hyracoidea Proboscidea Sirenia The mammals are the class of vertebrate animals primarily characterized by the presence of mammary... 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. ... This article is about the animal; see also The Taming of the Shrew for the use of this term to describe a person. ... 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 a standard convention used for naming species. ... Robert Kerr (1755 - October 11, 1813) was a scientific writer and translator from Scotland. ... 1792 was a leap year starting on Sunday (see link for calendar). ... This article is about the animal; see also The Taming of the Shrew for the use of this term to describe a person. ... State nickname: The Last Frontier, The Land of the Midnight Sun Other U.S. States Capital Juneau Largest city Anchorage Governor Frank Murkowski Official languages English Area 1,717,854 km² (1st)  - Land 1,481,347 km²  - Water 236,507 km² (13. ... Siberia Siberia (Russian: Сиби́рь, common English transliterations: Sibir, Sibir; possibly from the Mongolian for the calm land) is a vast region of Russia and northern Kazakhstan constituting almost all of northern Asia. ...

It is grey-brown in colour with light grey underparts. It has a long tail which is brown on top and pale underneath with a dark tip. Its body is about 9 cm in length including a 4 cm long tail. It weighs about 5 g.

These animals are found in humid areas and damp northern forests. Their range extends further south along the Rocky Mountains in the west and the Appalachians in the east. This species was introduced into Newfoundland in the late 1950s. Rocky Mountain National Park (photo courtesy of NPS) The Rocky Mountains, often called the Rockies, are a broad mountain range in western North America. ... The Appalachian Mountains are a system of North American mountains running from Newfoundland and Labrador, Canada to Alabama in the United States, although the northernmost mainland portion ends at the Gaspé Peninsula of Quebec. ... Newfoundland (French: Terre-Neuve; Irish: Talamh an Éisc; Latin: Terra Nova) is a large island off the north-east coast of North America, and the most populous part of the Canadian province of Newfoundland and Labrador. ... Millennia: 1st millennium - 2nd millennium - 3rd millennium Events and trends Technology United States tests the first fusion bomb. ...

They eat insects, worms, snails, small mammals, salamanders and seeds. They have voracious appetites, even for a shrew, and can eat their own body weight in a day. Predators include larger shrews, hawks, owls, shrikes, snakes, herons, and foxes. 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. ... Families Strigidae Tytonidae An owl is any of some 200+ species of solitary nocturnal birds of prey in the order Strigiformes. ... Genera Lanius Eurocephalus Corvinella A shrike is a passerine bird of the family Laniidae which is known for its habit of catching other birds and small animals and impaling the uneaten portions of their bodies on thorns. ... Heron (disambiguation) Genera Ardea Zebrilus Philherodias Tigrisoma Ardeola Bubulcus Egretta Agamia Butorides Tigriornis Tigrisoma Gorsachius Syrigma Zonerodius Nycticorax see also: Bittern Herons are medium to large long-legged, long-necked wading birds of the family Ardeidae, which also includes the egrets and bitterns. ... A red fox The foxes comprise 23 species of omnivorous canids, found worldwide. ...

These animals are active day and night year-round. They dig tunnels but also use tunnels created by other small mammals. They mate between spring and fall. 3 to 6 young are born in a nest under a log or in a stump. In the north, females have only one litter per year. These animals usually live less than 18 months.

These animals are common and wide-spread but little-known.