I have a teen (Wyandotte) chicken she’s about 5 months old, she is a lot smaller than her siblings, looks maybe like 3 month old. She eats and drinks, but she lays most of the day, she doesn’t perch like her siblings either, she’s always on the ground, she would perch at night but she has not been able to fly to the perch since 2 days ago. She is not active like her counterparts, she occasionally gets up to eat and scavenge but I’ve never seen her scratch she only does it with her beak. She also walks like if there’s a thorn on her feet, I’ve checked them multiple times and they look fine. Also she is at bottom of pecking order and she sometimes gets picked on as she is of small size. I’ve checked her body for bumps and anything out of ordinary and everything seems normal. She doesn’t seem lethargic except for the part where she just lays on the floor most of the day. She sometimes shakes while standing. Help! I want to heal her.