Cuckoo's tune as many sweet, more bitter behavior

Cuckoo's tune as many sweet, more bitter behaviorScientists say the Cuckoo's amazing wings help it keep other birds away.The bird's voice is very melodious, but not stuffed them into practice so sweet. Claims that Cambridge University scientists.Cambridge University scientists found that the Cuckoo's amazing feather her own away from other birds to help, and so to take advantage of the other