[NatureNS] Nocturnal Migration for the 2nd Week of September

From: "John Kearney" <john.kearney@ns.sympatico.ca>
To: <naturens@chebucto.ns.ca>
Date: Mon, 8 Oct 2018 10:40:21 -0300
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I have seen this year. The echoes mov
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Hi All,

This report is three weeks late but summarizes a week that saw very strong
movement of migrating birds at night.

 

Nocturnal migration continued to rise at Beaver River, Yarmouth County, with
a 65% and 64% increase in the number of calls and estimated birds over the
previous week. Total calls equalled 5,811 for an estimated total of 3,822
individual birds. Over a thousand calls were recorded on three nights
beginning on 8, 9, and 12 September. 

 

On the morning of 9 September there was large fallout of Northern
Waterthrush in which 73 estimated birds were recorded in 26 minutes. This
link <https://download.ams.birds.cornell.edu/api/v1/asset/116255891/1200>
shows the number of Northern Waterthrush calls occurring over 19 seconds,
while this link
<https://download.ams.birds.cornell.edu/api/v1/asset/116256421/1200>  is an
example of 3 calls recorded within one-third of a second (the call above the
middle call may be an second band of that call or a fourth call). Included
in this fallout were 21 Bay-breasted Warblers.

 

The most common species for the week were Common Yellowthroat (an estimated
466 birds), Black-and-White Warbler (357), American Redstart (300), Northern
Parula (278), Swainson's Thrush (261), Magnolia Warbler (231), and
Black-throated Green Warbler (181).

 

The most common sparrow was Savannah Sparrow with an estimated 119 birds.

 

There were a couple late Empidonax flycatchers (Yellow-bellied Flycatcher at
2300 hours on 7 September and Alder Flycatcher at 0052 hours on 9 September)
while some of the later warbler migrants such as Blackpoll Warbler,
Yellow-rumped Warbler, and Palm Warbler showed a stronger presence.

 

Rare or unusual birds for the week included 1 Dickcissel (10 September at
0219 hours), 1 Blue-winged/Golden-winged Warbler (13 September at 0402
hours), and 1 Vesper Sparrow (8 September at 0109 hours).

 

A summarizing table and graphic can be seen here
<http://www.johnfkearney.com/Beaver_River_Yarmouth_County_Autumn_2018.html>
.

 

John

 


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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:12.0pt;font-family:"Calibri",sans-serif'>Hi =
All,<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Calibri",sans-serif'>This report =
is three weeks late but summarizes a week that saw very strong movement =
of migrating birds at night.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Calibri",sans-serif'><o:p>&nbsp;</=
o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Calibri",sans-serif'>Nocturnal =
migration continued to rise at Beaver River, Yarmouth County, with a 65% =
and 64% increase in the number of calls and estimated birds over the =
previous week. Total calls equalled 5,811 for an estimated total of =
3,822 individual birds. Over a thousand calls were recorded on three =
nights beginning on 8, 9, and 12 September. <o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Calibri",sans-serif'><o:p>&nbsp;</=
o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Calibri",sans-serif'>On the =
morning of 9 September there was large fallout of Northern Waterthrush =
in which 73 estimated birds were recorded in 26 minutes. This <span =
class=3DMsoHyperlink><a =
href=3D"https://download.ams.birds.cornell.edu/api/v1/asset/116255891/120=
0">link</a></span> shows the number of Northern Waterthrush calls =
occurring over 19 seconds, while this <span class=3DMsoHyperlink><a =
href=3D"https://download.ams.birds.cornell.edu/api/v1/asset/116256421/120=
0">link</a></span> is an example of 3 calls recorded within one-third of =
a second (the call above the middle call may be an second band of that =
call or a fourth call). Included in this fallout were 21 Bay-breasted =
Warblers.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Calibri",sans-serif'><o:p>&nbsp;</=
o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Calibri",sans-serif'>The most =
common species for the week were Common Yellowthroat (an estimated 466 =
birds), Black-and-White Warbler (357), American Redstart (300), Northern =
Parula (278), Swainson&#8217;s Thrush (261), Magnolia Warbler (231), and =
Black-throated Green Warbler (181).<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Calibri",sans-serif'><o:p>&nbsp;</=
o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Calibri",sans-serif'>The most =
common sparrow was Savannah Sparrow with an estimated 119 =
birds.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Calibri",sans-serif'><o:p>&nbsp;</=
o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Calibri",sans-serif'>There were a =
couple late <i>Empidonax </i>flycatchers (Yellow-bellied Flycatcher at =
2300 hours on 7 September and Alder Flycatcher at 0052 hours on 9 =
September) while some of the later warbler migrants such as Blackpoll =
Warbler, Yellow-rumped Warbler, and Palm Warbler showed a stronger =
presence.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Calibri",sans-serif'><o:p>&nbsp;</=
o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Calibri",sans-serif'>Rare or =
unusual birds for the week included 1 Dickcissel (10 September at 0219 =
hours), 1 Blue-winged/Golden-winged Warbler (13 September at 0402 =
hours), and 1 Vesper Sparrow (8 September at 0109 =
hours).<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Calibri",sans-serif'><o:p>&nbsp;</=
o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Calibri",sans-serif'>A =
summarizing table and graphic can be seen <a =
href=3D"http://www.johnfkearney.com/Beaver_River_Yarmouth_County_Autumn_2=
018.html">here</a>.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Calibri",sans-serif'><o:p>&nbsp;</=
o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Calibri",sans-serif'>John<o:p></o:=
p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Calibri",sans-serif'><o:p>&nbsp;</=
o:p></span></p></div></body></html>
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