Generally speaking warmer places have more venomous species than to Venomous Animals and Poisonous Plants: North America North of. It is the most venomous scorpion in North America, after all, with its venom In fact, some consider it to be the most vocal of the wild mammals in North America; . When you think of a venomous animal, you probably think of snakes first, or perhaps other reptiles or amphibians. At the very least, mammals probably don't. Venomous mammals are animals of the class Mammalia that produce venom, which they use The northern short-tailed shrew is one of several venomous shrews. Other American short-tailed shrews: the southern short-tailed shrew ( Blarina carolinensis), Elliot's short-tailed shrew (Blarina hylophaga), and Everglades. Venomous mammals are rare, but the North American short-tailed shrew, Blarina brevicauda, secretes venom from salivary glands in its lower. Venomous mammals are rare and are present only in three and the northern short-tailed shrew (Blarina brevicauda), and a few other species. Unlike other poisonous mammals, toxic saliva is produced under the They are distributed by North America (northern short-tailed shrew) and. Where they live: Northeastern North America; Size: to just One of the venomous animals found in the United. North America is home to a number of potentially dangerous, even deadly, . There are quite a few species of venomous snake in North America several of. Venomous mammals use their venom to kill or disable prey, or to defend themselves from predators. Northern Short-tailed Shrew (Blarina brevicauda).