Is a phone camera sufficient? Based on the original email I was going to bring my Canon 7D but it appears the wolves are kept behind chainlink fences (I understand) which would prevent high quality photos. Don’t want to lug it around if unnecessary.

Noralee is correct - no need for a high end camera. The wolves are typically paired male and female per enclosure, and as you noted, these are constructed from chain link. We do have some photos of the wolves available in the Gift Shop, which were taken by a professional photographer (still through the chain link).

If you're satisfied with the picture quality of your phone that would work perfect