Wolf shot by authorities was part of Copper Creek pack

An uncollared gray wolf that a federal wildlife official shot in mid-August in Rio Blanco County but was never found by authorities is the fifth yearling of a pack that formed in Colorado last year.

Colorado Parks and Wildlife released a final report Friday on the efforts to kill the animal following attacks on livestock. The report says genetic testing determined it is a male yearling and linked it to the Copper Creek Pack. That pack also has been involved in attacks on livestock.

Parks and Wildlife previously said that in a July 20 Rio Blanco County incident investigators found clear and convincing evidence that a wolf was responsible for the killing a lamb. They then found a preponderance of evidence of a wolf attack resulting in a dead lamb and dead ewe in subsequent events through A