Can I keep two pet rats in a 12 m^3 (4m^2) room? I have a very very small room, and don't know if this will be a problem or not. Will the
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Amazon.com: Small Pet Cage Hammock, Double-Layer Rat Hammock Hanging Bed, Warm Ferret Cage Hammock, Pet Swinging Bed for Sugar Glider Fleece Chinchilla Parrot Guinea Pig Squirrel Hamster Playing Sleeping : Pet Supplies
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