Question: how big are the ravens in the tower of london?
Answer: Since the birds began hatching on 23 April, they have quadrupled in size from about 8cm (3in) to more than 30cm (12in) in height, having been fed on a diet of quail, mice and rats. One of the chicks is set remain at the Tower and will be called either George or Georgina because of the date the hatching began.