[NatureNS] Nocturnal Migration for the Week of May 16-22 at Canso

From: "John Kearney" <john.kearney@ns.sympatico.ca>
To: <naturens@chebucto.ns.ca>
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Date: Wed, 27 May 2015 17:28:15 -0300
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Very good point Richard. It would be very worthwhile to compare eBird =
numbers with the nocturnal counts, especially if it can be done within =
the same local or county areas. Using the Yellow Warbler example, one =
could see that my eBird reports (not yet posted) from ground surveys in =
the Canso area on the weekend of May 23-24 show no Yellow Warblers. That =
is consistent with the low nocturnal counts the previous few days and =
very likely indicates that there has not yet been a general arrival in =
the area.

=20

From: naturens-owner@chebucto.ns.ca =
[mailto:naturens-owner@chebucto.ns.ca] On Behalf Of Richard Stern
Sent: May-27-15 13:08
To: naturens@chebucto.ns.ca
Subject: Re: [NatureNS] Nocturnal Migration for the Week of May 16-22 at =
Canso

=20

Interesting as always. I see that Yellow warblers are down, but at least =
around here there seem to be more than ever on territory. That suggests =
to me that migration for this species has already peaked. I wonder if =
there is a good way of comparing your nocturnal call numbers with ebird =
numbers from say 2 weeks ago, or are the numbers too small?

Richard Stern
sternrichard@gmail.com
Sent from my iPhone

=20





On Wed, May 27, 2015 at 5:14 AM -0700, "John Kearney" =
<john.kearney@ns.sympatico.ca> wrote:

Hi All,

Nocturnal migration was very light this week, less than half the number =
of calls recorded during the same period in 2013 at the same location. =
Compared to the results posted here for last week, sparrows were down =
from 145 to 21 calls, shorebirds from 147 to 3 calls, and warblers were =
up from 40 to 71 calls. Swainson=E2=80=99s Thrush had still not arrived. =
As a result there were only 2 thrush calls recorded; one Hermit Thrush =
and one Veery. Eleven species of warblers were recorded with Magnolia =
(26 calls) and Black-and-White (11 calls) being the most common.  Yellow =
Warblers were conspicuously lower than for the same period in 2013 (6 =
calls down from 21 calls). A summary of calls recorded for the week =
along with an estimate of the number of individual birds is presented =
below.

John

=20

=09
Night Flight

Estimated


Species

Calls

Individuals


Magnolia Warbler

26

25


Black-and-White Warbler

11

11


Savannah Sparrow

10

10


Common Yellowthroat

6

6


Yellow Warbler

6

6


Northern Waterthrush

5

5


Unidentified Warbler

5

5


White-throated Sparrow

6

4


Northern Parula

3

3


Yellow-rumped Warbler

3

3


Lincoln's/Swamp Sparrow

3

2


American Redstart

2

2


Black-throated Green Warbler

2

2


American Robin

1

1


Blackpoll Warbler

1

1


Chipping Sparrow

1

1


Unidentified Songbird

1

1


Song Sparrow

1

1


Spotted Sandpiper

3

1


Veery

1

1


Wilson's Warbler

1

1


Total

98

92

=20

=20

               =20


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vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Very good point Richard. It would be very worthwhile to compare eBird =
numbers with the nocturnal counts, especially if it can be done within =
the same local or county areas. Using the Yellow Warbler example, one =
could see that my eBird reports (not yet posted) from ground surveys in =
the Canso area on the weekend of May 23-24 show no Yellow Warblers. That =
is consistent with the low nocturnal counts the previous few days and =
very likely indicates that there has not yet been a general arrival in =
the area.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p>&nbsp;</o:p></span></p><div><div =
style=3D'border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm'><p class=3DMsoNormal><b><span lang=3DEN-US =
style=3D'font-family:"Tahoma","sans-serif";mso-fareast-language:EN-CA'>Fr=
om:</span></b><span lang=3DEN-US =
style=3D'font-family:"Tahoma","sans-serif";mso-fareast-language:EN-CA'> =
naturens-owner@chebucto.ns.ca [mailto:naturens-owner@chebucto.ns.ca] =
<b>On Behalf Of </b>Richard Stern<br><b>Sent:</b> May-27-15 =
13:08<br><b>To:</b> naturens@chebucto.ns.ca<br><b>Subject:</b> Re: =
[NatureNS] Nocturnal Migration for the Week of May 16-22 at =
Canso<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'>Interesting as always. I see that Yellow =
warblers are down, but at least around here there seem to be more than =