THE ANSWER is because some MAD GENIUS made a bunch of animations combining birds and booties What did I even how is this real XD
www.youtube.com/@bootybirds

Today I learned there is a brand of bird plushes with giant butts.
I have so many questions 😂
such as WHY DOES THAT ONE GOOSE HAVE A COIN IN ITS BUTT CHEEKS #bootybirds #goose #birdplushies