As night falls,one after another the birds stop their singing,and after a few last sleepy sounds,put their heads under their wings to rest for an hour or two before beginning again.They do not all sleep,however.
As night falls,one after another the birds stop their singing,and after a few last sleepy sounds,put their heads under their wings to rest for an hour or two before beginning again.They do not all sleep,however.
As night falls,one after another the birds stop their singing,and after a few last sleepy sounds,put their heads under their wings to rest for an hour or two before beginning again.They do not all sleep,however.