Chickens fall from the sky

[Maker]

I downloaded 2 texturepacks from this side and when and when I tested it, I realized that pigs that ride on chicken, fall from the sky. How do I fix this?

[HanFox]

I guess you're playing modded?

The only mention of what you describe is an Easter Egg from a mod:
https://forum.feed-the-beast.com/thread ... tmas.4890/

[Maker]

Thank you very much. I was so confused