25-30 attended the impromptu nocturnal migration event on Mt. Pleasant last 
night, and it was not a case of the early bird gets the worm.  Opposite my big 
night prediction, the first hour or so was very slow with just a few calls 
heard, but it was a beautiful starry night with a very pleasant crowd to mingle 

Those who stayed or arrived after 10:30pm got treated to steady migration that 
seemed to build as time went on. The action really got started when a raucous 
flock of green herons passed to the west. Thereafter were Black-crowned 
Night-Heron, Sora, Least Bittern, and shortly after midnight an American 
Bittern. Amidst the building flight was a steady passage of Veery and by 
midnight the “pink” of the Bobolink was regular. Also in the mix were a few 
Swainson’s Thrush and a Black-billed Cuckoo. 

The warbler flight became steady after 11pm with Chestnut-sided and Common 
Yellowthroat the most prevalent identifiable calls along with some nice 
examples of Canada Warbler. Interestingly, American Redstarts didn’t start 
regular calling until around midnight.

Thanks to all who attended, and to the Cornell facilities and astronomy staff 
who facilitated use of the grounds at the Hartung-Boothroyd Observatory.  
Special thanks to Chris T-H for expert operation of and commentary on the 
spectrographic stream of the real-time audio produced by Cornell’s bioacoustic 
analysis software, “Raven”.

More savory details of the night coming in an article in the Cayuga Bird Club 

Bill Evans

Cayugabirds-L List Info:

1) http://www.mail-archive.com/cayugabirds-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/Cayugabirds
3) http://birdingonthe.net/mailinglists/CAYU.html

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