Colorado wildlife officials on Monday announced plans to track down a gray wolf pup they believe was left behind when its pack was captured near Grand County and relocated earlier this month.

Colorado Parks and Wildlife is working to capture and reunite a lone uncollared wolf pup with the Copper Creek pack.

DENVER (KDVR) — Colorado Parks and Wildlife is attempting to capture an uncollared gray wolf believed to be the fifth pup of the Copper Creek pack, which was captured for relocation earlier this month. The pack’s relocation was announced on Sept.