He seems to be a rather grumpy fellow...
I think that "grimace" is the Flehmen response.
Well, he also makes a symbolic gesture of pushing away one of the more inquisitive cubs with his paw, so I settle for general grumpiness instead.
Maybe he doesn't like the way they smell .
Why do those little guys being stinky make them even cuter to me?
Perhaps they smell "unavaible lioness"???
He is teaching them to become tough already :p
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