(Compiled through brainstorming and, occasionally, asking friends to name any bird gods they remember off the top of their heads.)
Huitzilopochtli
Thoth
Harpies
Zeus when it was convenient for capturing or impregnating unsuspecting young people
The Morrigan
Valkyrie
The eagle who pecked out Prometheus’s liver every day
Horus
Raven
Tengu
Garuda
Veela
Stymphalian Birds
Pomola
Hugin, Munin