Hi Benjamin and all,
I posted a couple of videos the Kentucky at Rockefeller that is your Bird
B, and a spectrogram of its song, recorded by Drew. The song is really
neat and the spectrogram shows the differences between the first 5 notes
and the last 3. We have it on a page along with the spectrogram we posted
last year of last year's bird.
It has certainly been fun comparing the songs, and the harmonics seen in
Drews new audio (check Single Song in the TOC) are quite beautiful. [Note
that the Plumbeous Vireo audio has an even prettier spectrogram.]
Videos
at:
<http://www.birdsongid.com/video/warblers/kentucky/>http://www.birdsongid.com/video/warblers/kentucky/
Video 1 for
iPhone:
<http://www.birdsongid.com/video/warblers/kentucky/iphone1.m4v>http://www.birdsongid.com/video/warblers/kentucky/iphone1.m4v
Audiospectrograms:
<http://www.birdsongid.com/audio/spectrograms/kentuckywarbler/>http://www.birdsongid.com/audio/spectrograms/kentuckywarbler/
Trudy
www.birdsongid.com
At 01:51 PM 6/5/2011, Benjamin Van Doren wrote:
Hi all,
There are currently two singing Kentucky Warblers at Rockefeller SP (only
one has been reported, I believe). One is near the northern junction of
Ash Tree Loop and Overlook Trail (it moves from northeast of the junction
to south of it, singing from, I assume, the edges of its territory). This
bird (Bird A) has a normal song. The second bird (Bird B) is singing a
two-parted song, coming from just southwest of the southern junction of
those two trails. They are not the same bird, as I've heard both songs
delivered in immediate succession from the different spots, repeatedly.
At one point, Bird A flew to the southern edge of its territory (I saw
it), to have a singing duel with Bird B. I'm also hearing a regular song
from the south (as Bird A sings from the north), but I assume Bird B is
simply switching between songs. The alternative would be, of course, that
there are actually three singing Kentucky Warblers in this general area. I
wonder if there are any females around...unlikely, I would guess, as these
birds are singing frequently in midday--and so are probably unpaired.
Still, something to keep track of!
Good birding,
Benjamin Van Doren
White Plains, NY
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