Birds have no sweat glands so on hot days they get rid of excess body heat by panting with their bills open.
(Birds; have; no sweat glands so on hot days) (they; get; rid of excess body heat by panting with their bills) (they; rid; of excess body heat)
Birds they they
have get rid
no sweat glands so on hot days
rid of excess body heat by panting with their bills
of excess body heat