Cases of mother bears successfully raising 'twins' in captivity are extremely rare.
New 'bear security rules' follow mailings of humans from hungry animal in remote towns and villages.
Around 20 beasts have surrounded Ryrkaypiy, with one bear cub trying to get into a house through the window.
Often bears encroaching towns are shot, but in Dalnegorsk they spared the life of 'too friendly' wild animal.
Loggers disturbed the hibernating black bears in a tree hollow, shooting the mother.
One region has shot 58 ravaging brown bears this year because they intrude too close to settlements, destroying livestock.
This spike of bear cannibalism is reported at the South-Kamchatka nature reserve in Kamchatka.
A brown bear cub filmed trying to have a swing at a playground in Tomsk region.