Cindy Murdoch (author) from Texas on September 16, 2011: JKing - I'm glad I read your other post first and saw that you were confused. Maybe, even wasps. I'm glad you enjoyed it, and no, shrews and moles are not the same thing. Now to the venomous part: their poison is produced by saliva glands and is present in the saliva. Voted up and interesting. Cindy Murdoch (author) from Texas on November 28, 2011: Hello again, f. Venomous and poisonous really do mean the same thing, it's more a matter of how the poison is administered. Its burrow entrance may occur above or below the water level, but the entrance tunnels are narrow to squeeze excess water from its fur. By studying 24 relatives of kallikrein, Aminetzach found that none of the non-toxic members of the family have any of the changes that BLTX and GTX share. Let me know what you found out! If it didn’t have so many natural enemies, its numbers could over-run an area very quickly. Shrews don’t have fangs like snakes, but deliver their poison via a groove in their teeth. It typically inhabits stream banks. billips from Central Texas on November 16, 2011: Great hub - chock full of interesting information on one of the earth's dear little creatures - B. Cindy Murdoch (author) from Texas on October 18, 2011: Ardie - If I had to guess, I would say that the eyes of the mole would be even smaller than the eyes of the shrew, but the shrews eyes look pretty small. These shrews have the same bite saliva that stuns and paralyzes other animals. The Northern short-tailed shrew is a … They are short lived with very few making it to two years of age. Other poisonous mammals include: the solenodon, the platypus, and the loris. It has short dark fur with some white tufts of hair often mixed in. Other mammals are capable of using poisonous substances as a means of defense, for example by coating themselves in a poisonous substance found on a tree or on other animals, but only the shrew, slow loris and platypus can deliver their own venom. Shrews use their venom to subdue and paralyze their prey. But never, until recently, would I have even thought to consider a mammal as venomous. The Eurasian water shrew is roughly the size of a mouse and is often mistaken for one, although it has a distinctive snout that sets it apart from its non-venomous relative. I wonder which one my cats bring home :) I will have to look closer now...I'm thinking moles though. This discovery, from Yael Aminetzach at Harvard University, shows that adaptations are sometimes very predictable. © 2020 WILD SKY MEDIA. A bite from a shrew would certainly be painful, but the only lasting effects are swelling that lasts for a few days at most. These changes are very specific to these toxic proteins. They dig their burrows using a combination of forefeet, head, and nose. The northern short-tailed shrew is one of the few venomous mammals, but its poisonous bite is painful to humans and can kill smaller animals. Their body glows a deep red from inside their rib-cage, illuminating out of their skin. Water shrews are very quick swimmers, and are able to remain submerged for up to 20 seconds. I know I'm repeating other comments but it's true hahah :) Great information. The shrew looks somewhat like a rodent, but it is not in the rodentia family. How does a mammal deliver its venom? Their eyes are small but are usually visible in the fur, and the ears are rounded and moderately large, except in short-tailed shrews and water shrews.Tail length varies among species, some being much shorter than the body and others appreciably longer. The changes have altered the protein’s active site so that it’s larger, more flexible and better at drawing in its target. But unlike snakes who are able to inject the venom in one bite through its fangs, the shrew has to chew the venom into its prey. Who would have thought of such a thing. What Are Some Unique Internal Structures of a Giraffe. Three mammal groups are said to have some kind of toxic agent: platypus from Australia, solenodons from Cuba, and of course shrews. The only other mammals capable of envenomation are the slow loris and the platypus. The water shrew is a solitary creature and is very territorial. What an interesting critter. Thanks for stopping by and making me smile.


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