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I don’t think females are aggressive, they may be a bit more territorial about their cage sometimes as they have that instinct more than males but it’s rarely a problem if you give them plenty of space, out of cage time & don’t over clean the cage.
Females do tend to be more active & demanding than males, needing lots to keep them busy & occupied but you can’t really generalise, all hamsters are very individual so no guarantees one way or the other.