Koshka the Amur tiger was euthanized on March 26 after years of fighting a degenerative spine disease that impacted mobility.

Zoo Knoxville said Jango, a valuable 10-year-old Malayan tiger, was moved to East Tennessee to support species survival.

The tiger was born at The Big Cat Sanctuary in Ashford ... and the commitment of Thrigby Hall to wildlife conservation," the zoo said.

Koshka, a 19-year-old Amur, or Siberian, tiger, was euthanized this week after her health declined due to age, a news release ...

Zoo Knoxville has welcomed a new 10-year-old Malayan tiger who they say is considered one of the most “genetically valuable” ...