Wildlife photographer Rémi Vacher has photographed everything from young leopards trying to hunt in Sri Lanka, to vipers snuggled in the sand in Dubai, and Weddell seals snoozing in Antarctica.

Ibex are a preferred prey for snow leopards. With snow leopards only hunting every eight to 10 days, one ibex can feed them not only on the day of the hunt, but for several days after. Given the snow ...