Two different chickens. 1 is super fat and doesnt live long normally used for food. Other chicken is grown for eggs. There are different species of chickens.

"Wild birds can be infected with HPAI and show no signs of illness."

https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/avian/avian-influenza/hpai-2022/2022-hpai-wild-birds

Yeah, I think it's fake. Everything I've read so far says the wild birds are unaffected by this Avian flu strain.