Only 80 big cats remain in the wild, but this alpha male has been courting three eligible females.
These animals are supposed 'not to roar' due to their throat physiology, but hear his fearsome 'big cat' caterwawl as he attracts a mate.
The male big cat's death is 'extremely dangerous' for the species, warns an expert.
Amazing new pictures show a endangered Amur leopard with a cub.
Amur leopards now number more than 100 for first time in decades, say experts.
Scientists hopes confirmed about endangered rare cats living in one of the Altai Mountains most stunning plateaus.
New estimate puts number at 80, almost double some recent figures.
Experts delighted as camera records flirting between Amur leopards in the wild for the first time.
Big cat Leo80M - also called Nikolay - prepares for flight to Moscow and 'noble mission'.