Fully mature guinea pigs reach length of 9-10.5 inches and a weight of up to 2.75 lbs, although some prehistoric guinea pigs (Phoberomys pattersoni) grew to the size of buffaloes!
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I'm glad you asked this question. Most people think "I'm going to get the biggest pet store cage the pet store has, it should be big enough." But really, they're not that big at all and are very expensive. The biggest kind of pe...
http://answers.yahoo.com/question/index?qid=20090803163...
I prefer hamsters because you can just put them in the palm of your hand. Plus, they will use wheels and other toys that an animal like a guinea pig couldn't or wouldn't want to. Also, if you kept the guinea pig outdoors you wouldn't be abl...
http://answers.yahoo.com/question/index?qid=20090531103...
Do not buy rodent wheels for your guinea pig, even if they say "for guinea pigs." Guinea pigs are simply not made for them : they can easily break a foot in a rodent wheel. Those big plastic balls are marketed as being ideal for g...
http://www.cavymadness.com/faq.html#faq8
Everybodys Different, Same For Guinea Pigs Too
http://www.blurtit.com/q6400770.html
I haven't had hamsters in awhile, but I just looked at my "pet shop cage" that I use for quarantine (I have 4 of the darn things) that most new piggie owners who buy from pet shops are told to get and I think that hamsters can get...
http://www.guineapigcages.com/forum/others/45469-they-b...
The Phoberomys pattersoni is a creature weighing 700 kilograms & lived 8 million years ago. It was a cousin of today's guinea pig.
http://www.chacha.com/question/what-is-the-record-for-b...