Aristocat123
Songster
TYYou could also try this section. It's specifically for rehoming pets.
https://www.backyardchickens.com/forums/animals-in-need-of-free-re-homing.16182/
Maybe here too, it's for swaps, but at least the traffic there should be looking for birds.
https://www.backyardchickens.com/forums/swaps.16186/