Parent jackdaws can use their tail feathers to ________.
A.ask their young to follow them
B.play a game with the young
C.tell the meal time
D.give a warning of a fire
正确答案是A
Parent jackdaws can use their tail feathers to ________.
A.ask their young to follow them
B.play a game with the young
C.tell the meal time
D.give a warning of a fire
正确答案是A