Mysterious and RARE combo Swainson's Thrush and Veery song duet
On Mon, 1 Jul at 4:05 PM
Yes, you are absolutely right on the first part. Thanks for my patience while I processed your question.I think I'm hearing both Swainson's and Veery on your recording.SarahSarah WagnerPh.D.Public Information SpecialistThe Cornell Lab of Ornithology
Just the Swainson's Thrush song - recording
I'm hearing only frogs and a winnowing Wilson's Snipe.Is there a time stamp I could focus on?Sarah WagnerPh.D.Public Information SpecialistThe Cornell Lab of Ornithology
Exclusive EcoEcho forest cultivation recordings.
These recordings are not good quality. Sorry.
My friend's farm has both these birds - according to me. They are claiming the Swainson's Thrush is a Snipe winnowing. I say - we should be able to see the aerial display courtship flight of the Snipe. They say the Veery is a Bobolink.
Maybe I'm wrong! Who knows?
https://www.audubon.org/field-guide/bird/swainsons-thrush
I've SEEN the Swainson's Thrush at the EcoEcho forest - so I know it's there.
It's considered very rare to see one - but it was looking at me and hopping towards me, curious.
So I emailed the Cornell Bird Lab about their Swainson's Thrush recording
Is that "background" upward scale from the Swainson's Thrush or a different bird? If it is different than which bird is it!!
So I got an automated reply and it included a message that I could also submit recordings for ID, so I sent in the above Swainson's Thrush recording.
ascending notes are diagnostic
OK I got no new replies back so I can only reread her response and get this:
And NOW she's changed her position BACK again!
Hi,Swainson's and Snipes are VERY different. Not really similar at all.I think the only coincidence is that the Cornell recording and your recording both also have snipes.SarahSarah WagnerPh.D.Public Information SpecialistThe Cornell Lab of Ornithology
Snipe Spectrogram
These do not ascend. You can see and hear that.
Spectrogram - Wikipedia
Frequencies are shown increasing up the vertical axis, and
Let's start here.Listen to the recordings of the Wilson's Snipe: https://search.macaulaylibrary.org/catalog? taxonCode=wilsni1&mediaType=a& sort=rating_rank_desc&q= Wilson%27s%20Snipe%20-% 20Gallinago%20delicata More examples here: https://www.allaboutbirds.org/guide/Wilsons_Snipe/sounds These do not ascend. You can see and hear that.Wilson's Snipes are seen in the area where the recording was made of the Swainson's from the All About Birds Page: https://www.allaboutbirds.org/guide/Swainsons_Thrush/sounds The Macaulay record:Swainson's Thrushes are the only thrushes that have the ascending quality.I hope that helps.SarahSarah WagnerPh.D.Public Information Specialist
So yes it is a Snipe that I heard on your land and not a Swainson's Thrush. And also Cornell Lab just "coincidentally" also has a Snipe interspersed with their Swainson's Thrush recording (only they don't point out this fact). And also now Dr. Wagner is claiming the Snipe is not an "ascending" diagnostic - even though the spectrogram clearly shows an ascending frequency and you can hear it. That's hilarious. Oh well - she did change her position three times.
So, is your main question now whether or not the screenshot you sent of a winnowing Wilson's Snipe ascending? I agree, it certainly looks that way and does get both louder and higher. Apologies.It simply sounds so incredibly different to me than a thrush song.If you have another question, please clarify.Thanks,Sarah
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