Big cat Leo80M - also called Nikolay - prepares for flight to Moscow and 'noble mission'.
The male big cat's death is 'extremely dangerous' for the species, warns an expert.
Angry big cat rushed at Lyubov Yakovleva, 53, tearing flesh from her arm with its teeth.
Hope for future of the rare species as census says there could be as many as 540 of them now living in the Far East.
With as few as 70 left in the wild, evidence of poachers targeting species is likely to be a concern.
'Scientists were in a remote border region without permit'.
New video footage shows Amur the tiger lashing at Timur the goat - but then jumping back as if scared of the animal's horns.
Putin backs proposal to give one hectare to each citizen or person willing to move to region in a bid to stimulate economy and boost population.
Pioneering life-saving operation to be carried out this week, as bid made to find and shame the gunman.
Defying the doubters, the world's longest cable-stayed bridge opened to regular motorists on Wednesday across the Bosphorus East Strait.