His usually involves finding a nice spot on a perch that feels safe. But your cockatiel will also want to feel warm and cozy. This is often when they puff up.
01.
This is something they do naturally, removing any dirt on them. In order to do this, they often fluff up their feathers.
02.
This is to give the illusion that they are bigger than they actually are to scare away predators.
03.
You may notice that your cockatiel puffs out their feathers and then shakes their body. This is often a way for your fluffy friend to relax after some type of tension.
04.
While your cockatiel puffing up their feathers can be innocent, if they are doing this for most of the day, this is usually a bad sign.
05.