Endangered Amur tigers are protected under President Vladimir Putin's special project.
Skin and skull of rare animal was hidden in the suspect's car.
More than 20 calves born although park keepers say there could be more.
Proof of recovery of endangered species after 'historic' sighting of Siberian tiger 2000 km west of its usual habitat.
Nearby mothballed uranium mine caused the poisoning which led to severe drowsiness, say scientists.
She and he were cruelly orphaned by poachers, and he was also shot and wounded but is now cured: how will they cope together roaming the wild?
For most of her life Agafya, 77, has lived as a peasant from the 18th century, guided by an old Bible.
A shocking image of a tortured dog - killed after being tied to a rope and pulled by a car around a village - has appalled Siberians.