The smoky shrew (Sorex fumeus ) is a medium-sized North American shrew found in eastern Canada and the northeastern United States and extends further south along the Appalachian Mountains.
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NocturnalNocturnality is an animal behavior characterized by being active during the night and sleeping during the day. The common adjective is "nocturnal",...
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CarnivoreA carnivore meaning 'meat eater' is an organism that derives its energy and nutrient requirements from a diet consisting mainly or exclusively of a...
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InsectivoresAn insectivore is a carnivorous plant or animal that eats insects. An alternative term is entomophage, which also refers to the human practice of e...
Vermivore (from Latin vermi, meaning "worm" and vorare, "to devour") is a zoological term for animals that eat worms (including annelids, nematodes...
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FossorialA fossorial animal is one adapted to digging which lives primarily but not solely, underground. Some examples are badgers, naked mole-rats, clams, ...
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TerrestrialTerrestrial animals are animals that live predominantly or entirely on land (e.g., cats, ants, snails), as compared with aquatic animals, which liv...
Among animals, viviparity is the development of the embryo inside the body of the parent. The term 'viviparity' and its adjective form 'viviparous'...
A burrow is a hole or tunnel excavated into the ground by an animal to create a space suitable for habitation, temporary refuge, or as a byproduct ...
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SolitaryNo
Not a migrantAnimals that do not make seasonal movements and stay in their native home ranges all year round are called not migrants or residents.
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starts withThe smoky shrew is active year-round. It is dull grey in colour with lighter underparts and a long tail which is brown on top and yellowish underneath. During winter, its fur is grey. Its body is about 11 centimetres (4.3 in) in length including a 4 centimetres (1.6 in) long tail and it weighs about 5 grams (0.18 oz).
This animal is found near streams in cool damp deciduous and mixed woods. It makes extensive, solitary, burrows in the leaf litter on the forest floor or builds globular nests 10–15 centimetres (3.9–5.9 in) of plant materials under rocks. The smoky shrew rarely digs tunnels, instead it uses tunnels created by moles or other shrews. Its diet consists mainly of beetles, however other insects, earthworms, snails, small rodents and other soil dwelling invertebrates are also taken. It also consumes plant material to supplement its diet. Predators include owls, snakes, foxes, weasels, and mustelids.
Smoky shrews start mating in late March, and females give birth to their first litters in April or May, about 20 days after mating. They mate again as soon as the first litter is born, and they may have 2 more litters, each about a month apart, if the female lives long enough. Each litter has 2 to 8 pups, usually 6. In one month, the offspring weigh around 4 grams which is half of the adult weight. Male smoky shrews don't take care of their offspring, only the female does. Females make nests in leaf litter where they give birth. The offspring are blind, helpless, and have no fur. Females nurse and protect their offspring for a short time (less than 20 days).