A few years ago in a forest in northeast India, I heard and then began to feel, in my chest, a deep rhythmic whooshing. It sounded meteorological, but it was the wingbeats of a pair of great hornbills flying in to land in a fruiting tree. They had massive yellow bills and hefty white thighs; they looked like a cross between a toucan and a giant panda. As they clambered around in the tree, placidly eating fruit, I found myself crying out with the rarest of all emotions: pure joy. It had nothing to do with what I wanted or what I possessed. It was the sheer gorgeous fact of the great hornbill, which couldn’t have cared less about me.

The radical otherness of birds is integral to their beauty and their value. They are always among us but never of us. They’re the other world-dominating animals that evolution has…