Yes, they do if you look on the web you can find various references to them, including the world's largest.
 
Pete Lundskow
Pratt Museum
Homer, AK


From: Museum discussion list [mailto:[log in to unmask]] On Behalf Of Scher Thomae, Dawn
Sent: Tuesday, April 27, 2010 11:57 AM
To: [log in to unmask]
Subject: [MUSEUM-L] odd item in collection

A few months ago, people submitted odd and interesting items found in their museum’s collection documentation. Here is one I just found but haven’t had the opportunity (initiative?) to see if it’s still in our vertebrate zoology collection:

 

“1 Hairball, supposedly from the stomach of a cow”

 

(Can cows get hairballs?)

 

Dawn Scher Thomae

Milwaukee Public Museum

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