* Eyes are closed
* Body is covered in down feathers
* Completely dependent on parents for food and care
Nestling (2-6 weeks)
* Eyes open
* Body is covered in pin feathers
* Begins to eat solid food
* Starts to learn to fly
Fledgling (6-12 weeks)
* Fully feathered
* Able to fly short distances
* Still dependent on parents for some food and care
* Begin to learn to talk
Juvenile (12-18 months)
* Reach adult size
* Continue to learn to talk
* Develop their own unique personality
Adult (18 months and older)
* Fully mature
* Can live for up to 20 years in captivity