Is Ketchup an Angora blend?

  
ketchup

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Purred: Fri Feb 10, '12 12:45pm PST 
Hi, I am new to this page. I have a newer cat in my house...Ketchup. she is different from my other two (both gray tabby shorthairs). She has extremely silky long hair, is very talkative, and has long fur in between her toes. She also growls at the mailman! (Its more like a deep "whrrrr"...but she'll do it if someone comes to the door and she gets startled) . She is very affectionate, with her family and with strangers, despite the growling.
Does anyone else have experience with the "growling" ?