Habitat
This shrew through the northeastern United States, from Nebraska eastwards, though they are also found in Southeastern Canada. Within their home region, they have the highest population of small mammals. These shrews live in most terrestrial habitats , but have the most dense populations in brushy areas such as woodlands, bogs, marshes, and the borders of fields.
Physiology
This shrew differs has a blunter snout, a shorter tail, a heavier more cylindrical body than other Adirondack shrews. The fur of older individuals may contain white spots or patches but they are mostly grey or black in color. Adults weigh 0.5-0.8 oz and their average length is 4.7 inches.
Diet
The Eurasian shrew has the adaptation of poisonous saliva although it is not entirely known what this poison does to the prey, however the popular opinion is that it acts to immobilize. The majority of this shrew's diet earthworms and large insects, but it also eats mice, young hares, salamanders, and snakes. It will also eat nuts, seeds, berries, and fungi during the winter.
Echolocation
This shrew appears to mostly use echolocation and touch in place of seeing due to it's poor eyesight and a poor sense of smell. It is not entirely known if they use their echolocation for hunting or not, but they do use it for orientation of their surroundings.