

Humankind's relationship with birds from prehistoric times to the present.
I much preferred the first half: once it reaches the Victorian era it becomes denser and drier. Also note it is heavily Euro- and, particularly, British Empire-centric.
I took away from it that the privileged reliably legislate to safeguard their interests. (Shall I try on "the Bolshevik Birder" for size? ?)
His 50 year study of Skomer's guillemots was strangely uplifting.