I'm having a pretty hard time finding any kind of off-site platform with a list of wearables since SubetaHQ is seemingly gone since the last time I was on Subeta. I'm looking for any type of bird-related wearables and would really appreciate any help!

Check out SubetaLodge! They keep an updated list of wearables (and all other collectibles) you can check off.

Not a complete list, but here's a few:

Here is a thread of animal wearables! Hope this helps!