I totally love their faces, they have so great expression! I also love the sharpness and I believe many people will appreciate this photo The only thing I miss here is something colourful, but it is definitely not a thing you could effect, so no hard feeling.
I like the combination of their fur colour and the rock, they almost blend together and in general, I can say that it reminds of natural and original home of wild snow leopards.
Thank you for sharing this nice work!
(blah blah blah blah, I am too busy to finish the critique properly )