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You have two gerbils. How do you tell if they are both the same sex?
This question arises all the time. It is not difficult to answer as I will demonstrate. Gerbils are in fact extremely easy to sex from about 5 weeks old upwards. As this earlier than they will normally begin to mate, it shouldn't be difficult to avoid unwanted pregnancies! With a little experience you should be able to reliably sex gerbils from the third week or sooner.
There are four main differences between male and female gerbils.
So how exactly do I sex them?
You can test your self using the following picture:
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Last updated 14 September 2009