Search results
Results from the WOW.Com Content Network
The American water shrew is a sexually dimorphic species in which the males are generally larger and heavier than the females. The size of the shrew is 130–170 mm (5.1–6.7 in) and weight is 8–18 g (0.28–0.63 oz).
The Eurasian water shrew (Neomys fodiens), known in the United Kingdom as the water shrew, is a relatively large shrew, up to 10 cm (4 in) long, with a tail up to three-quarters as long again. It has short, dark fur, often with a few white tufts, a white belly, and a few stiff hairs around the feet and tail.
They do not hibernate because their bodies are too small to store sufficient fat reserves and they have a short fasting duration. [5] [7] Common shrews have evolved adaptations to survive through the winter. Their skulls shrink by nearly 20% and their brains get smaller by as much as 30%. Their other organs also lose mass and their spines get ...
The shrew subfamily Soricinae consists of thirteen genera.The majority of the species are contained within Cryptotis, with 41 species, and Sorex, with 76 species.The remaining shrews are split between Chodsigoa with eight species; Chimarrogale with six; Anourosorex, Episoriculus, Neomys, and Notiosorex with four species each; Blarina and Blarinella with three species each, and Megasorex ...
As they reach sexual maturity, Trowbridge shrews gain whole body mass. Non-breeding shrews weigh around 3.8 g (0.13 oz) while breeding shrews average around 5 g (0.18 oz). The size of the testes in males increases, while the uterine horns widen in females. Once the breeding season has concluded, these structures atrophy. [8]
Water shrew may refer to any of several species of semiaquatic red-toothed shrews: Asiatic water shrews (Chimarrogale spp.) Malayan water shrew (C. hantu) Himalayan water shrew (C. himalayica) Sunda water shrew (C. phaeura) Japanese water shrew (C. platycephala) Chinese water shrew (C. styani) Sumatran water shrew (C. sumatrana) Nectogale
With air trapped in its fur for buoyancy, marsh shrews can run for three to five seconds on top of the water. It measures about 16 cm (6.3 in) in length, including a 7-centimetre (2.8 in)-long tail, and weighs an average of 14.5–16 g (0.51–0.56 oz).
The Glacier Bay water shrew (Sorex alaskanus) is a species of mammal in the family Soricidae. It is endemic to Alaska in the United States. [1] It can swim underwater, and when it stops swimming, air trapped in its fur lets it float back up to the surface. Owing to small hairs on its feet, the water shrew can run across the water.