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Our 51/2 month kitten Finn is 81/2 lbs. He is very muscular and lean. Is it too soon to predict his full adult weight? ps we're not concerned whether is weight is normal/abnormal but our 9yr old, Dude is definately having trouble holding his alpha status in the house. Dude is of the 'chill' philosophy and Finn is, well.....NOT.
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My cat is named Finnegan and he's a Maine Coon. Is your Finn a Maine Coon? he sounds big! I really don't know how to predict adult weight other than the breed of the cat.
He looks like a big yellow tabby, no grey on him. But he is very takative and I have thought maybe that's why he's so big. Or maybe he just seems big because our other cat Dude is a rather compact grey (9lb).
If you look on my profile page you'll see my big orange cream tabby. He's a Maine Coon. You'll be able to see some of the traits and see if that's what your cat looks like. When he talks does he make a sound like a trill?