So what caused this abearation spotted by tourists in Kamchatka?
This spike of bear cannibalism is reported at the South-Kamchatka nature reserve in Kamchatka.
Inbreeding behind unique phenomenon, say scientists.
Fears another bear that also failed to hibernate for winter is also on the run near Vilyuchinsk.
A Russian photographer captures unique moments of bear cubs being taught to fish ahead of long winter.
Moments later he is filmed running at top speed when the beast attacks.
The recording comes as several people get killed and wounded in recent 'worst-ever' bear attacks.
The unusual swimmer stunned fishermen who said they never saw bears venturing so far out to sea.
Wanderlust beast kept returning to main airport in Kamchatka, this week breaking in through a metal security fence.
The large bear falls on its back and waves paws in the air in exact copy of the whale’s moves.