The Northern short-tailed shrew is a small mammal found primarily in the northeastern United States and parts of Canada. It has a compact body, short tail, and dense fur that is typically gray or brown. This shrew is known for its high metabolism and voracious appetite, feeding on insects, worms, and small vertebrates. Unlike many other mammals, the Northern short-tailed shrew is venomous, possessing saliva that can immobilize its prey. It plays a crucial role in the ecosystem by controlling insect populations. These shrews are mostly active at night and prefer habitats like forests, grasslands, and wetlands, where they can easily find food and shelter.