If the bird puts its head down near you, it’s probably asking for head scratches. [3] X Expert Source Hayley HeartfieldBird Specialist Expert Interview. 16 August 2021.

If he starts walking toward you in this position, he really wants you out of the way. [7] X Research source

Cockatiels can fall in love with objects, their own reflection, other birds, and even you. He may also whistle or lean towards the person or item. [13] X Research source

However, he could also be defending his territory with this gesture.

Again, this gesture could also be a sign he’s defending his territory. Watch if he hisses. This is usually a sign for you to back off.

It’s important to know what is normal for your bird and what is not. If you notice anything out of the ordinary, contact your vet. [24] X Expert Source Hayley HeartfieldBird Specialist Expert Interview. 16 August 2021.