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Karen Purcell DVM
Karen Purcell DVM, Veterinarian
Category: Pet
Satisfied Customers: 945
Experience:  1992 graduate of Cornell University Veterinary School, small mammal interest
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Do rats have backbones , I have heard they can shrink down

Customer Question

Do rats have backbones , I have heard they can shrink down to the size of a pencil to get through holes ?
Submitted: 8 years ago.
Category: Pet
Expert:  Karen Purcell DVM replied 8 years ago.


Yes, all mammals have backbones. Rats can get through any opening that their head will fit through, as they are very flexible and can squeeze themselves without any injury through those tiny openings.


Dr. Karen