I tried.
Brought him some celery stalk./carrot/apple chop I made for everyone else and he was petrified.
On the plus side, he and Mims are still calling for each other.
I'm going to have to wait a few days for his lab results at the very least.
But once I do....
She's been quiet and withdrawn for weeks before I picked him up. I'd only hear her voice when she screamed in pain from plucking herself, and she'd just sulk in a dark corner. Now she's flying around, calling, and looking around for her new buddy. She's even eating chop and exploring the celery leaves.