[NatureNS] Nocturnal Migration for the Week of September 14-20, 2015

From: "John Kearney" <john.kearney@ns.sympatico.ca>
To: <naturens@chebucto.ns.ca>
Date: Mon, 21 Sep 2015 16:10:59 -0300
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Hi All,

Nocturnal migration over Carleton, Yarmouth Co., was the heaviest so far
this year. The total call count was 1,698 which represents an estimated
minimum number of 1,296 individual birds. Warblers still dominated the night
skies with 86% of all calls. Sparrows at 8% surpassed thrushes (4%) for the
first time. The peak night of the week and of the fall season was the night
of September 16-17 when 524 night flight calls were recorded. Despite this
peak, the steady passage of Magnolia Warblers (329), Common Yellowthroats
(212), and Blackpoll Warblers (135) throughout the week was impressive. The
most common sparrow was Savannah at 51 calls, and the most common thrush was
Swainson's at 57 calls. This week saw a strong increase in the number of
Palm Warblers (from half a dozen per week to 46 calls). The only rare bird
this week was Wood Thrush, the second one this year. A summary for the week
is provided below. Formatted tables and additional information can be found
at: http://www.johnfkearney.com/Carleton_YarmouthCounty_2015.html.

John

 

Species followed by total calls and estimated minimum individuals

Magnolia Warbler            329         209

Common Yellowthroat  212         156

Blackpoll Warbler             135         102

Unidentified Warbler Genus Setophaga                115         91

Unidentified Warbler     112         101

Northern Parula               110         74

Ovenbird             77           49

Black-and-White Warbler             66           52

Black-throated Green Warbler   57           50

Swainson's Thrush           57           34

American Redstart          52           41

Savannah Sparrow          51           38

Palm Warbler     46           38

Black-throated Blue Warbler       40           28

White-throated Sparrow              40           34

Chestnut-sided Warbler               29           25

Unidentified Sparrow    26           25

Unidentified Songbird   25           47

Yellow-rumped Warbler               22           19

Nashville Warbler            20           15

Bay-breasted Warbler   13           9

Cape May Warbler          13           10

Lincoln's/Swamp Sparrow            12           11

Blackburnian Warbler     7              6

Spotted Sandpiper          6              2

Northern Waterthrush  5              15

Chipping Sparrow            4              3

Hermit Thrush   4              2

Wilson's Warbler              4              3

Greater Yellowlegs          3              1

Canada Warbler                2              2

Mourning Warbler           1              1

Rose-breasted Grosbeak             1              1

Song Sparrow    1              1

Wood Thrush     1              1

Total      1,698     1,296

 


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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-CA link=3Dblue =
vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif"'>Hi =
All,<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif"'>Nocturnal =
migration over Carleton, Yarmouth Co., was the heaviest so far this =
year. The total call count was 1,698 which represents an estimated =
minimum number of 1,296 individual birds. Warblers still dominated the =
night skies with 86% of all calls. Sparrows at 8% surpassed thrushes =
(4%) for the first time. The peak night of the week and of the fall =
season was the night of September 16-17 when 524 night flight calls were =
recorded. Despite this peak, the steady passage of Magnolia Warblers =
(329), Common Yellowthroats (212), and Blackpoll Warblers (135) =
throughout the week was impressive. The most common sparrow was Savannah =
at 51 calls, and the most common thrush was Swainson&#8217;s at 57 =
calls. This week saw a strong increase in the number of Palm Warblers =
(from half a dozen per week to 46 calls). The only rare bird this week =
was Wood Thrush, the second one this year. A summary for the week is =
provided below. Formatted tables and additional information can be found =
at: <a =
href=3D"http://www.johnfkearney.com/Carleton_YarmouthCounty_2015.html">ht=
tp://www.johnfkearney.com/Carleton_YarmouthCounty_2015.html</a>.<o:p></o:=
p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif"'>John<o:p></=
o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p>&nbsp;=
</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif"'>Species =
followed by total calls and estimated minimum =
individuals<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif"'>Magnolia =
Warbler&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
 329&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
209<o:p></o:p></span>