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Charming Hamster With An Unusually Expressive Eyes
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Mating and longevity
Golden Hamsters typically live no more than two to three years in captivity, less than that in the wild. Russian Hamsters (Campbell's and Djungarian) live approximately 1.5 to 2 years in captivity, and Chinese Hamsters 2.5 to 3 years. The smaller Roborovski Hamster often lives to 2–3 years in captivity. Both Golden and Russian hamsters mature quickly and can begin reproducing at a young age (4–5 weeks), whereas Chinese hamsters will usually begin reproducing at 2–3 months of age, and Roborovskis at 3–4 months of age.
Left to their own devices, hamsters will produce several litters a year with several pups in each litter. When seen from above, a sexually mature female hamster has a trim tail line; a male's tail line bulges on both sides. This might not be very visible in all species. Male hamsters typically have very large testes in relation to their body size. Before sexual maturity occurs at about 4–6 weeks, it is more difficult to determine a young hamster's sex. When examined, female hamsters have their anal and genital openings close together, whereas males have these two holes farther apart (the penis is usually withdrawn into the coat and thus appears as a hole or pink pimple).
It should also be noted that if a captive hamster is left for extended periods (3–4 weeks and more) with her litter, there is a high possibility that she will cannibalize the litter. It is therefore imperative that the litter be split up by the time the young can collect their own food and water.
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