A reindeer that underwent surgery last week for a dislocated knee may not be able to fly with Dancer, Dasher, and Vixen on Christmas night this year, but she is still expected to make a full recovery, Tufts University’s veterinary school said.

Willow, a year-and-a-half old reindeer, is doing well and recovering in an off-exhibit space at the Franklin Park Zoo, where she will stay for six to eight weeks.