I might try to explain this but I think I will definitely miss something or won't be able to articulate. Instead, I would suggest episode 1 of Life of Birds [1]

I might try to explain this but I think I will definitely miss something or won't be able to articulate. Instead, I would suggest episode 1 of Life of Birds [1]. David Attenborough talks about the evolution of birds, what classifies a bird, where do we draw the line between dinosaurs and birds (he even talks about this elephant bird) in the first episode of Life of Birds [1]. Also, watch the whole documentary if you're interested. [1]: https://www.imdb.com/title/tt0175394/ https://www.imdb.com/title/tt0175394/