William Amos
The Duck-Billed Platypus and the Spiny Anteater of the sub class
Monotremata is what you are asking.
Steve Sample
Very few mammals can inject poison, which is the definition of "venomous."
Short tailed shrews are fairly common in the eastern United States. This web
site has quite a bit of detail about shrews, including this quote:
"(Short-tailed) shrews are rare among mammals in that they are venomous
(European Water Shrews, Neomys fodiens , also are venomous), the venom being
similar to that of cobras... "
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