: Irritation from the lice crawling and chewing can lead to skin damage.
: Because they never leave their host voluntarily, they have completely lost the need for wings, relying on specialized claws to cling to feathers. Common Symptoms in Birds bird louse
: Excessive feeding can leave feathers looking tattered or "moth-eaten". : Irritation from the lice crawling and chewing
: In poultry like chickens, a bad infestation can lead to a drop in egg production and weight loss. Can They Affect Humans? Lice of Poultry - MSD Veterinary Manual bird louse