Like how Jellicent Male is Blue and Female is Pinkish Purple.
Also, could you give me a source? I can't find this anywhere.
There are many pokemon with gender differences, some are obvious like jellicent and Hippopotas, but some are minor and hard to see like rattata, http://bulbapedia.bulbagarden.net/wiki/List_of_Pok%C3%A9mon_with_gender_differences , check here for an exact list
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