Felix offers a tiny smile. "Nope," he says. "It happens all the time here. You'll want to see it, it's a -- "

The whole time he's been talking, the sound's been building, no longer so low or so distant anymore. Right before he can tell her what it is, the noise peaks, and --

Whoosh.

The branches of the taller trees ripple a bit as a Colonial Raptor passes overhead.