اونا براي گرفتن کرم در دهانهای باز کوچيکشون تا دوسالگی به مادراشون وابسته هستن، که در طي حیات یک پرنده زمان زیادیه. 
They depend on their moms to drop worms in their little open mouths for as long as two years, which is a really long time in the life of a bird. 