This is one of my pairs from 2016. They were both twelve months old when the photo was taken, fully molted into adult plumage and at complete physical growth. The babies were about ten days old, and they went on to have additional clutches, two or three a year. They lived in an aviary setting...
Egg binding is due to poor diet (seed, no calcium supplementation) and a lack of muscle development in the female (caged or clipped wings)
Cockatiels mature in under a year in the wild and breed the next wet season following their hatch year.
My females began nesting before their first...