The smallest shrews (Cryptotis parvus) in North America are one of the smallest mammals that grow up to 3 inches in length. History of distribution, behavior and evolution
How old are shrews?
Shrews have a long evolutionary history, extending from the Middle Eocene of North America (48 to 41.3 million years ago). Recent fossils have been found in Africa, Asia, Europe and South America.
Have shrews been found in North America?
North American Least Shrew is a small shrews that can be found anywhere in Tennessee. Description: A very small mammal with a long, pointed nose. Small black eyes. Hidden ears; Cylindrical body; Soft and short fur is dark brown to brownish gray and belly is gray.
What is the largest shrews?
The largest species is the tropical Asian house shrew (Suncus murinus), which is approximately 15 cm (6 inches) long and weighs approximately 100 g (4 ounces). Etruscan shrew (Suncus etruscus) is about 3.5 cm. (1.4 inches) and 1.8 g (0.063 ounces) are the smallest living terrestrial mammals known.
Where did the shrews come from?
Common shrews are found throughout the forests, grasslands and hedgelands of England, Scandinavia and Eastern Europe. Each shrews establishes a home range of 370 to 630 m² (440 to 750 yd²).
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