Almost poached to extinction, these pictures highlight the way the endangered species is recovering thanks to Russian preservation measures.
The male big cat's death is 'extremely dangerous' for the species, warns an expert.
Kitten is one of the world’s rarest big cats, with only 91 known adults surviving in the wild.
Endangered big cats - a mother and two cubs - frolic in front of the lens, before stopping the show by removing the memory card with paw.
One of world’s rarest big cats was hit by a car and went through months of treatment at the rescue centre in Russian Far East.
Amur leopards now number more than 100 for first time in decades, say experts.
WWF starts project to breed Amur leopards and released them in the wild.
Roe deer somehow wandered onto a frozen lake but couldn't get off again.
100-plus Amur leopards are living in the wild, a rise from only 30, and now they are set to get new protected territory to roam.
Big cat Leo80M - also called Nikolay - prepares for flight to Moscow and 'noble mission'.