Re: [nfc-l] Northbound?

[Andrew Farnsworth]

Hi all,
Semi-briefly . . .

Dan, this is highly typical of morning flight of nocturnal migrants, which
in this case is likely birds engaged in some sort of redetermining (whether
drift compensation or habitat search would be up for debate I suspect).
There are several on this list with a good deal of experience speculating
about and studying the subject.  Additionally, this phenomenon (or set of
phenomena depending on your perspective) occurs with some regularity in the
Northeast US, in the fall season in particular; but it's not limited simply
to urban, semi-urban areas, or by season, or by geography per se (although
I suspect the diversity and number of migrants in the NE US may bias its
detection here).

During the last two mornings, similar movements have occurred in Manhattan
and along the barrier beaches of Long Island after the passage of low
pressure. Nocturnal movements preceding these flights were substantial,
both from a radar and acoustic perspective, with some nice calling events
in Manhattan. I'd like to encourage all on this list to spend some time
watching, as Dan did, for morning flight, no matter where you are, and
enter your observations (as detailed as you can make them) into eBird!
There are several of us at Cornell that are jazzed about studying this
subject further, and the more information gathered across larger geographic
areas the better!

And while I am at it, for those of you around the greater NYC area, several
people will be monitoring bird migration this evening (Tuesday) at the
Tribute in Light in lower Manhattan and at the Empire State Building.  If
you plan to be out and about, whether listening to flight calls or counting
birds in the artificial light of the city, please contact me off list.  For
the record, forecasts for this evening's weather have been scaled back a
little from continued northerly flow to a more variable wind set, perhaps
mostly light southerly winds.  This should mean fewer birds getting
"trapped" in the beams of light at the Tribute, but I suspect we may still
see and hear hundreds of birds at any given time during the densest
movements of the evening . . .

Regards,
Andrew

On Tue, Sep 11, 2012 at 8:24 AM, Dan Poalillo  wrote:

> I work in Bergen County, NJ and our parking lot is on top of a ridge.
> This morning I observed from this ridge several dozen warblers over the
> course of an hour (7AM-8AM) flying NORTH over our parking area.  All were
> giving flight calls of some sort, all were headed in precisely the same
> South-to-North trajectory, and all were about 75 feet above the parking
> area.
>
> Could this be some sort of redetermined migration?  Has anyone else
> encountered something similar?
>
> The surrounding area is suburban for miles, filled with many parks and
> tree-filled yards.  This makes me think what I observed is not some sort of
> localized effect of an urban area.  The wind was essentially calm this
> morning, in case that plays a role in anyone's hypothesizing.
>
> I will be sure to keep my eyes and ears open in the next few weeks to see
> if this is a pattern or a one-time anomaly.
>
> Dan Poalillo
> Wanaque, NJ
>
>
>
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[nfc-l] Last night

[Benjamin Van Doren]

Hi All,

After depriving myself of sleep two nights ago, I only stayed out for about
an hour from 11-12 last night. Had the spectrograms scrolling by on my
laptop hooked up to a mic. Used BirdLog to eBird on my phone as I sat
there--great for counting calls! Wish I could've stayed out longer...

Here's the list:

Cornell University--A-Lot, Tompkins, US-NY
Sep 10, 2012 11:03 PM - 11:59 PM
Protocol: Nocturnal Flight Call Count
13 species (+5 other taxa)

Canada Goose  1
Green Heron  1 NFC 1
Veery  4 NFC 4
Swainson's Thrush  X NFC 8
Wood Thrush  4 NFC 4
thrush sp.  X NFC 5
Ovenbird  2 NFC 2
Common Yellowthroat  2 NFC 2
Bay-breasted Warbler  3 NFC 3
Chestnut-sided Warbler  X NFC 5
Setophaga sp.  X NFC 82
Canada Warbler  1 NFC 1
Wilson's Warbler  3 NFC 3
warbler sp.  X NFC 9
Savannah Sparrow  4 NFC 4
sparrow sp.  2
Rose-breasted Grosbeak  X NFC 24
passerine sp.  X NFC 11

Benjamin Van Doren
Ithaca, NY

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[nfc-l] New to group

[NTARP1]

 
Hello,
I am Carl A. Pascoe from the Native Territories Avian Research Project  
(NTARP).  We are a Non-Profit Charitable organization in Ontario, Canada  and 
are performing bird banding and bird studies on Native Territories in  
Ontario.  Our primary site is Walpole Island First Nation (WIFN) located on  
the 
delta region where the St Clair River flows into Lake St Clair. We are  
currently banding passerines and Saw-Whet Owls.
 
I am the Master Bander and Research Director for our organization.  We  
have been granted some funding to set up several night flight acoustic  
monitoring units.  We are considering Wildlife Acoustics Night flight  system 
and 
software.  I would like to learn more about acoustic monitoring  and 
available resources.  Thank you for any assistance, especially on  software 
which 
can be used which can be used in conjunction with the Song Scope  program from 
Wild Life Acoustics for species recognition.
 
Carl A. Pascoe Master Bander
Native Territories Avian Research Project
Small Wonders, Big Dreams
e-mail _ntarp1@aol.com_ (mailto:nta...@aol.com) 

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[nfc-l] Northbound?

[Dan Poalillo]

I work in Bergen County, NJ and our parking lot is on top of a ridge.  This
morning I observed from this ridge several dozen warblers over the course
of an hour (7AM-8AM) flying NORTH over our parking area.  All were giving
flight calls of some sort, all were headed in precisely the same
South-to-North trajectory, and all were about 75 feet above the parking
area.

Could this be some sort of redetermined migration?  Has anyone else
encountered something similar?

The surrounding area is suburban for miles, filled with many parks and
tree-filled yards.  This makes me think what I observed is not some sort of
localized effect of an urban area.  The wind was essentially calm this
morning, in case that plays a role in anyone's hypothesizing.

I will be sure to keep my eyes and ears open in the next few weeks to see
if this is a pattern or a one-time anomaly.

Dan Poalillo
Wanaque, NJ

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Please submit your observations to eBird:
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