Hopes fade of finding 13 people, six weeks after Tyva Avia aircraft went missing in remote and mountainous region.
Plans to remove barbed wire from migration route would allow safe passage and help boost numbers of tigers and leopards.
Anton Zhivotov killed one man with fake Jack Daniels but then confessed to police, and crowded funded money to help other victims.
Women run in bridal outfits to encourage people to adopt neglected animals.
Lame, exhausted and confused animal seeks out help from the local police in Olyutorsky district of Kamchatka.
Animal charity WWF Russia in plea for help to prevent repeat of 1980s winter crisis that killed 90% of species in the region.
Girl walked 8 km all alone in minus 34C from remote family home to report her beloved grandmother's death, and beg help for blind grandfather.
Thrown in as a puppy, the mongrel grew too large to escape through a tiny hole through which local residents gave her food and water.
The warning came at a conference in Tomsk from Heidelberg University professor Julia Kzhyshkowska.