In 24w12a, you can no longer feed parrots cookies; instead, you can feed it with carrots to kill it. Carrots are in #minecraft:parrot_poisonous_food instead of cookies, causing this bug to happen.
MC-269659
Parrots can now be fed carrots to kill them instead of cookies
Resolved
Fixed
9
Confirmed
Platform
Very Important
Items
mob-behavior, parrot
24w12a
24w13a
Retrieved
Can Confirm