Growth for the young birds is slow, and it is not until they are four months old — when they are also able to fly away from the nesting site — that they begin surviving on their own.
تنمو الصغار ببطء ،‏ ولا تعتمد على نفسها إلا عندما تصير بعمر اربعة اشهر —‏ وتصبح قادرة على الطيران بعيدا عن العشّ .‏