My neck hurt. I’d been staring straight up for the last ten minutes, trying to find the source of the haunting sound that was radiating down. A tremulous “hu-hu-hu” would come from one direction and then another. Wilson’s Snipes were winnowing overhead. I stood by the marsh surrounding Roger Lake in the North Cascades. It was late May, and these birds were actively defending territories and courting. Males, in particular, will fly to a high altitude, then dive, spreading their tail. The sound is made by the wind moving across their outer rectrices, both during the dive and when leveling out. It is a creepy sound and just beautiful to hear. I’d stopped at this place in the hopes of catching it.
Finally, I spotted one. The bird circled in a broad arc around the southern end of the lake. As long as I kept my eyes on it, I could follow it. It was 150 to 200 feet above the ground, doing a gradual dive while making that sound, and then climbing again. When I blinked, I’d lose it. After spotting one a few times, I stopped trying and just listened to the chorus happening all around me.