Pre Dawn Thrush Flight 30 September 2014

I recorded over 310 thrush calls between 5am and 6:35am at my home in Hunterdon County, NJ this morning.  Here's the eBird checklist.

As always, there are many calls that I'm still puzzling over.  Here's a spectrogram of a call sequence from 6:09am:

You can download the audio of this clip, and follow any possible discussion of it from my post on the Nocturnal Flight Call Facebook group.