This is an exercise in betterment identification as recognized through fur.
For the sake of comparison, especially to identify how much better he is after his capture, here is one photo from that set along with a new photo of him (captured at the same time as this video).
Both are linked to hi-res versions. Doesn’t he already look better, and this long before his coat refreshes based on a stable environment and proper nutrition?
First, the before:
And now, the after: