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A Russian zoo is home to a unique animal - the liger. It is half-lioness, half-tiger. Mother Zita is pictured licking her one month old liliger cub 

I DON’T GIVE A SHIT WHAT YOU CALL IT LOOK AT HER HAPPY LITTLE FACE IN THE LAST PICTURES SHE’S SO PROUD OF HER LIL CUB AND HER SPOTS AND SHE’S GOTTA BE TOUGH MOMMA WHEN THE BABY’S LOOKING BUT AS SOON AS THEY TURN AROUND, SHE’S LIKE,

":3 Look at it. I made a thing. I made a rly good thing. :3"

But aren’t they sterile because they are cross species? Or am I miss understanding the rules?

For a long time the belief was that cross species like ligers and mules were infertile, but it was actually the birth of this li-liger that disproved that theory (obviously). The liger mother Zita (pictured) was housed with a male lion because she was believed to be infertile until bing bang bong the little li-liger (lion-liger, get it? So yes, a ti-liger is possible with a tiger father) came along! And since they’ve found that most cross species we know of are just less fertile than their un-crossed counterparts, and in the instance of the liger at least, the female liger is more fertile than the male liger. 

Of course most cross species are going to be less fertile, otherwise we’d have new species popping up everyday, but this also leaves room for the opposite to occur and a cross species to become more fertile and more successful than their individual counterparts! It is actually believed that the modern day homo sapien is the result of neanderthals (homo neanderthalis) cross breeding with another species in the genus homo. 

If biology has taught me anything it’s that you should always distrust absolute statements like ‘always’ and ‘never’ in life! Genetics is a tricky mistress!

Life, uh, finds a way.

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