The Mysterious Life of Birds who Never Come Down

They still seem to me the closest things to aliens on Earth. I’ve seen them up close now, held a live grounded adult in my hands before letting it fall back into the sky. You know those deep-sea fish dragged by nets from fathoms of blackness, how obvious it is that they aren’t supposed to exist where we are? The adult swift was like that in reverse. Its frame was tough and spare, and its feathers were bleached by the sun. Its eyes seemed unable to focus on me, as if it were an entity from an alternate universe whose senses couldn’t quite map onto our phenomenal world. Time ran differently for this creature.

This essay by Helen Macdonald has some of the most exquisite prose I have read in months and months.