american water shrew การใช้

• Soricidae, a sister family of Talpidae, contains the American Water Shrew.
• Its size distinguishes it from all but the American water shrew ( " Sorex palustris " ).
• The star-nosed mole and the American water shrew can smell underwater by rapidly breathing through their nostrils and creating a bubble.
• The American Water Shrew is considered a species that is sexual dimorphic in which the males are in general bigger and heavier than the females.
• The marsh shrew typically has a longer snout than that of the American water shrew, which is more streamlined when viewed from the side.
• The American water shrew has a smaller skull, without the marsh shrew's characteristic curvature, and its upper incisors have less-distinct medial tines.
• The American Water Shrew tends to breed from December to September and females usually have a three-week gestation period where offspring will be born in the spring and summer.
• While sniffing is generally thought to occur solely in terrestrial animals, semi-aquatic rodents ( American water shrew ) also display sniffing behaviors during underwater odor-guided tasks.
• California giant salamanders are preyed upon by the American water shrew ( " Sorex palustris " ) and the western aquatic garter snake ( " Thamnophis couchi " ).
• Shrews are common : the cinereus shrew, long-tailed shrew and American water shrew are widespread in the New England region, while the North American least shrew and southeastern shrew are common in the southeastern states.
• The "'American water shrew "'( " Sorex palustris " ) or "'northern water shrew "', is found in the nearctic faunal region located throughout the mountain ranges of northern United States and in Canada and Alaska.
• Although the marsh shrew and the American water shrew ( the two largest shrews in North America ) share some features, the American water shrew has more dark-grey-to-black fur on its back, a silver-grey belly and a bi-colored tail and the marsh shrew's fringed hairs are more distinct.
• Although the marsh shrew and the American water shrew ( the two largest shrews in North America ) share some features, the American water shrew has more dark-grey-to-black fur on its back, a silver-grey belly and a bi-colored tail and the marsh shrew's fringed hairs are more distinct.