my parrot congo african grey unsexed just turned 3 on the 4th july iv noticed now a days he rips up the news paper into stripes when ever i change it i think h/she is trying to make a nest so if its a female could it be she is trying to make a nest to lay a unferilized egg on because when i change hes cage daily he attaks me to leave the newspaper i am not sure can you help me please