Here you can see how the respiratory system of a bird works, this specifically is a vulture. My internship had asked me to make this in order to help children visualise how the breathing works, without them having to show any bloody organs. So here you see all the steps of it breathing in all the way to it breathing out. Birds have multiple storage places for their oxygen, so hopefully this helps you learn as much about them as I have.

Hours worked on this: 4 Hour

I learned: I never drew organs before this, so drawing organs as well as learning how these worked