the last time i caught any sort of flying animal was the 4th of May and since then, no more have spawned in the dens. the ground dens are spawning without any issues (even tho i have an over abundance of pumas recently.......lol), tho maybe a little faster than they should?

Thanks for reporting!

Let me explain the mechanics of pet spawning in details. We apologize that it wasn't described fully yet. Your question shown us that it can be unclear for the users.

When user catches a pet, the new pet gets a counter up to 8 cycles (32 hours) when it will be spawned. After the counter gets to zero, a random pet species rolls depending on what dens are free. If user has a free ground den, there's always a chance that the new pet will be of a ground type and go there. This is what has happened with you. This new pet isn't bound to the den where it predecessor was caught. So the best recipe to get the flying dens inhabited as soon as possible is not to catch the ground pets.

Concerning the abundance of Pumas, it's a coincidence which happens from time to time. I remember the other user had the same issue with Cockatrices for several days.

I've used invitations to find them but they haven't appeared. Could you please explain how invitations work with the spawning? Do they work at the same time? I'm sorry if this deserves a new post... but it seemed relevant.

Thanks

The probability of all species spawning is equal, so basically Dragons and Gryphons have the same chance to spawn when there's an empty air den. If you have Gryphon Magician in your Inn, the next air pet will be a Gryphon with 100% probability. Please note that everything that is posted above still stays true and if you have empty ground dens, the ground pets will spawn too. If you're catching all wild pets as quick as possible, there can be a situation when your Gryphon Magician just won't have chance to show his effect.

But not having a change to spawn explains why Gryphon invitation had no effect at all. I thought I had an empty slot, but I guess not.

Thank you for explaining that though! I'm always hesitant to use invitation because they are a bit confusing- but it all makes sense now.