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I own roborovski hamsters and a duprasi. They both have little white “eyebrows” above their eyes. This is very cute, but I’m not sure what function it serves.

I know humans have eyebrows to try and keep dirt out of their eyes, but these “eyebrows” are just fur patterns. What use is this in the deserts they come from?

The roborovskis live in China deserts and the duprasi comes from northern African deserts, why would they both have this pattern? Here are some pictures that show the patterns more clearly.

I hope this is the correct stack exchange site to ask.

roborovski example

duprasi example

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