Experts delighted as camera records flirting between Amur leopards in the wild for the first time.
'Scientists were in a remote border region without permit'.
Traps record snow leopardess and cubs as experts work with border guards to help protect species.
Rescue effort underway to provide emergency feeding sites for the helpless animals, with the wild boar population also in trouble.
Many Pacific islands are famed for their palm trees, but Sakhalin is facing some of the heaviest January blizzards in living memory.
The poaching, trade, transportation and possession of endangered animals is to be made a criminal offence in Russia.
Previously unknown subspecies confirmed by DNA tests and probably numbering around 400.
Roe deer somehow wandered onto a frozen lake but couldn't get off again.
Almost poached to extinction, these pictures highlight the way the endangered species is recovering thanks to Russian preservation measures.