Jay K
Fri, 13 Nov 2009 17:40:55 -0800
I have no doubt that is a Purple Finch. They give that slightly less emphatic pik when they are stationary compared to in flight.
Jay Keller -----Original Message----- >From: Andrew Albright <andrew.albri...@gmail.com> >Sent: Nov 13, 2009 6:37 PM >To: nfc-l <nfc-l@cornell.edu> >Subject: Re:[nfc-l] Shortest duration flight call? > >File attached. > >Someone already thought it was a Purple Finch. Anyone agree or disagree? > >On Wed, Nov 11, 2009 at 7:07 PM, Andrew Albright ><andrew.albri...@gmail.com> wrote: >> Recorded SE Pennsylvania around dawn on Monday. >> 1 bird in flight >> My guess is that the bird was smaller than a American Robin. >> >> There was either a single call or two paired together as shown in the >> attached jpeg. >> >> Duration < 20 ms, which is much much shorter than sparrows. I ran >> through everything else that I could think of that would reasonably be >> flying around (I was hoping for American Pipit, but that didn't >> match.) >> >> Frequency was in between 3-4 kHz. >> >> Sincerely, >> Andrew >> > >-- > >NFC-L List Info: >http://www.NortheastBirding.com/NFC_WELCOME >http://www.NortheastBirding.com/NFC_RULES > >Archives: >1) http://www.mail-archive.com/nfc-l@cornell.edu/maillist.html >2) http://birdingonthe.net/mailinglists/NFCL.html >3) http://www.surfbirds.com/birdingmail/Group/NFC-L > >Please submit your observations to eBird: >http://ebird.org/content/ebird/ > >-- -- NFC-L List Info: http://www.NortheastBirding.com/NFC_WELCOME http://www.NortheastBirding.com/NFC_RULES Archives: 1) http://www.mail-archive.com/nfc-l@cornell.edu/maillist.html 2) http://birdingonthe.net/mailinglists/NFCL.html 3) http://www.surfbirds.com/birdingmail/Group/NFC-L Please submit your observations to eBird: http://ebird.org/content/ebird/ --