Eee! I'm not much of a group person anymore but!
This sounds like an amazing starting concept, I wish you luck in gaining helpful floofs!
Hi there! You can also advertise your group on DeviantArt.
I created a DeviantArt group specifically for feral heart packs/prides/etc. advertising.
If you want go ahead and check it out c:
~click me~ (https://feral-heart-groups.deviantart.com/)
(https://i.imgur.com/4q85EMg.png)