noun
bird damage; damage by birds
Refers to harm caused by birds, especially to crops, or soiling of surfaces with droppings. Often used in agricultural or urban pest contexts.
農家は鳥害対策にネットを張った。
The farmer put up nets as a countermeasure against bird damage.
駅前の銅像が鳥害で汚れている。
The bronze statue in front of the station is soiled by bird droppings.