Greetings nfcers,
Over the past 10 nights the acoustic station in Alfred Station, NY has
logged an average of 303 warbler and sparrow calls per night, with a
standard deviation of only 77. In other words, there has been a very
consistent pattern of calling each night in contrast to the more typical
pulsed migration pattern. Details at:
http://www.oldbird.org/Data/States/NY/Alfred/fall2011/Alfred2011f.htm
Old and in the bird,
Bill E
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