RE: [nfc-l] Canada/Cackling Goose ID request, Solvang, CA (USA)

2019-10-02 Thread Gary Allport
Hi

They sound more like white-fronts to me

Gary

From: bounce-2809245-56897...@mm.list.cornell.edu 
 On Behalf Of Wim van Dam
Sent: 03 October 2019 06:54
To: Night Flight Call Discussions 
Subject: [nfc-l] Canada/Cackling Goose ID request, Solvang, CA (USA)

Last Saturday night (2019-09-28, at about 1AM) I recorded several flocks of 
geese flying over my backyard in Solvang, California (USA). I would expect 
these to be Canada Goose, but they don't sound right for that (too high, no 
honking). So now I'm wondering if these are in fact Cackling Goose, which would 
be interesting given the size of the flock. Here is my best recording:

https://www.xeno-canto.org/500506

Does anybody have any suggestions what these are, and why? Probably (hopefully) 
we have to get to the subspecies level to sort this out. The original .WAV file 
is 7MB and I'll be happy to email it to those interested.

Thanks

Wim van Dam
Solvang, CA (USA)
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RE: [nfc-l] Canada/Cackling Goose ID request, Solvang, CA (USA)

2019-10-02 Thread Gary Allport
Hi

They sound more like white-fronts to me

Gary

From: bounce-2809245-56897...@mm.list.cornell.edu 
 On Behalf Of Wim van Dam
Sent: 03 October 2019 06:54
To: Night Flight Call Discussions 
Subject: [nfc-l] Canada/Cackling Goose ID request, Solvang, CA (USA)

Last Saturday night (2019-09-28, at about 1AM) I recorded several flocks of 
geese flying over my backyard in Solvang, California (USA). I would expect 
these to be Canada Goose, but they don't sound right for that (too high, no 
honking). So now I'm wondering if these are in fact Cackling Goose, which would 
be interesting given the size of the flock. Here is my best recording:

https://www.xeno-canto.org/500506

Does anybody have any suggestions what these are, and why? Probably (hopefully) 
we have to get to the subspecies level to sort this out. The original .WAV file 
is 7MB and I'll be happy to email it to those interested.

Thanks

Wim van Dam
Solvang, CA (USA)
--
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conservation organizations around the world. BirdLife International 
the Secretariat to the Partnership is a UK registered company no. 2985746, 
registered Charity no. 1042125, registered address: David Attenborough Building,
Pembroke Street, Cambridge, CB2 3QZ, UK. BirdLife International Secretariat 
Regional Offices: Amman, Brussels, Nairobi, Quito, Suva, Singapore, Tokyo. 

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RE: [nfc-l] How do we know NFCs?

2018-01-30 Thread Gary Allport
Hi Wim

I am in an unexplored part of the world – Mozambique – doing NFC recording and 
indeed it is very hard.  Some birds do seem to make daytime type calls but I 
have dozens of calls which I just don’t have a clue.  I think most of them are 
herons, ibises and rallids – which have been on the move recently – but some I 
cant even place to family.  All the more difficult are the range of calls of 
bats, cats, dogs and the noises that seem to be man made to cloud the 
interpretations too.  I have shared a few calls but it is even harder for 
someone who doesn’t know the local avifauna to advise.  Something as simple as 
what would seem to be an obvious Moorhen could be Lesser Moorhen or indeed a 
bunch of little known other rallids.  Baiilon’s Crake has recently arrived in 
local wetlands in unprecedented numbers, for instance, a species that I would 
have previously excluded as almost impossible and makes a huge range of 
vocalisations (some that sound like a Moorhen!).

So it is tough and any guidance from the group would be most welcome.

Cheers

Gary Allport

Maputo, Mozambique



From: bounce-2448219-56897...@mm.list.cornell.edu 
[mailto:bounce-2448219-56897...@mm.list.cornell.edu] On Behalf Of Wim van Dam
Sent: 30 January 2018 09:51
To: nf...@cornell.edu
Subject: [nfc-l] How do we know NFCs?

So as I'm starting to learn about NFCs the obvious question came to
me: how do we know what we currently know?

Do we typically infer ID features from daytime flight calls where we
can visually verify our IDs? Or are night calls too different from
daytime ones, meaning that we have/had to find other ways of matching
calls with birds (netting, night time visual observations, etc)?

Imagine somebody trying to get into NFCs in an unexplored part of the
world. How does such a person start?

Thanks.

Wim van Dam
Solvang, CA (USA)

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