Young pullet with tail down

[Allison50]

I have a 3month old pullet with her tail constantly down. She’s the first to get up and eat in the morning she runs around and flaps her wings just like the rest of them. She’s has no poop on her but and she doesn’t seem lethargic because she comes running for treats. The only things I’ve noticed is that she is relatively lighter than the others and she lays down a little more often than the others as well. Is her tail down any cause for concern? How do I find out what’s wrong? She’s is a faverolle.

 

[Wyorp Rock]

Welcome To BYC

Can you post photos of her and her poop?

What is her crop like?