We collect the RSPB bird pins, over 60 I think now! Luckily they're cheap!: Pins
Flying Bird in Black Enamel Pin | Alison Glass
Gang-Gang Cockatoos Australian Bird Hard Enamel Pin - Pink Grey and Gold - Lapel Pin Cloisonné Badge in 2021 | Enamel pins, Hard enamel pin, Hard enamel
Pin feather - Wikipedia
1960s 18K Gold, Enamel & Diamond Bird Pin - The Verma Group