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Hi All,
The outstanding event in nocturnal migration this week was the unprecedented
morning flight of nocturnal migrants, mostly warblers, at Tadoussac, Quebec,
on May 28th. An estimated 700,000 warblers were seen heading southwest along
the Upper North Shore of Quebec. There was considerable press coverage
including an article in the New York Times
<https://www.nytimes.com/2018/05/31/science/warblers-canada-migration.html>
. This event confirms and sheds further light on some of the characteristics
of nocturnal migration at Cape Forchu this spring.
1. The birds at Tadoussac were flying away from the wide of expanse of
the St-Lawrence River northeast of Tadoussac toward the much narrower
portion of the river near Quebec City. This is consistent with the apparent
reluctance of nocturnal migrants to cross expansive bodies of water to
Southwest Nova Scotia in the spring.
2. The birds poured through the Tadoussac region (Saguenay) within a
short time frame in the last week of May. The number of nocturnal migrants
at Cape Forchu were 3 to 4 times greater in the last week of May compared to
any other week from late April onwards. Thus, spring migration is highly
concentrated, especially as it pertains to warbler migration.
3. The very high number of nocturnal migrants at Tadoussac and the very
low numbers of nocturnal migrants at Cape Forchu in the spring migration
indicate that most boreal-nesting birds by-pass Nova Scotia in the spring,
migrating primarily up the mainland of the East Coast, much like shorebirds.
4. The huge number of birds arriving along the Upper North Shore of
Quebec throughout the morning is supportive of the observations at Cape
Forchu that more birds in the spring often arrived in the early morning
hours after sunrise rather than in the pre-dawn period.
Detailed information for Cape Forchu for the last week of May can be found
at my website
<http://www.johnfkearney.com/Cape_Forchu_Yarmouth_County_2018.html> .
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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'>The =
outstanding event in nocturnal migration this week was the unprecedented =
morning flight of nocturnal migrants, mostly warblers, at Tadoussac, =
Quebec, on May 28<sup>th</sup>. An estimated 700,000 warblers were seen =
heading southwest along the Upper North Shore of Quebec. There was =
considerable press coverage including an article in the <a =
href=3D"https://www.nytimes.com/2018/05/31/science/warblers-canada-migrat=
ion.html">New York Times</a>. This event confirms and sheds further =
light on some of the characteristics of nocturnal migration at Cape =
Forchu this spring.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Calibri",sans-serif'><o:p> </=
o:p></span></p><ol style=3D'margin-top:0cm' start=3D1 type=3D1><li =
class=3DMsoListParagraph style=3D'margin-left:0cm;mso-list:l0 level1 =
lfo1'><span =
style=3D'font-size:12.0pt;font-family:"Calibri",sans-serif'>The birds at =
Tadoussac were flying away from the wide of expanse of the St-Lawrence =
River northeast of Tadoussac toward the much narrower portion of the =
river near Quebec City. This is consistent with the apparent reluctance =
of nocturnal migrants to cross expansive bodies of water to Southwest =
Nova Scotia in the spring.<o:p></o:p></span></li><li =
class=3DMsoListParagraph style=3D'margin-left:0cm;mso-list:l0 level1 =
lfo1'><span =
style=3D'font-size:12.0pt;font-family:"Calibri",sans-serif'>The birds =
poured through the Tadoussac region (Saguenay) within a short time frame =
in the last week of May. The number of nocturnal migrants at Cape Forchu =
were 3 to 4 times greater in the last week of May compared to any other =
week from late April onwards. Thus, spring migration is highly =
concentrated, especially as it pertains to warbler =
migration.<o:p></o:p></span></li><li class=3DMsoListParagraph =
style=3D'margin-left:0cm;mso-list:l0 level1 lfo1'><span =
style=3D'font-size:12.0pt;font-family:"Calibri",sans-serif'>The very =
high number of nocturnal migrants at Tadoussac and the very low numbers =
of nocturnal migrants at Cape Forchu in the spring migration indicate =
that most boreal-nesting birds by-pass Nova Scotia in the spring, =
migrating primarily up the mainland of the East Coast, much like =
shorebirds.<o:p></o:p></span></li><li class=3DMsoListParagraph =
style=3D'margin-left:0cm;mso-list:l0 level1 lfo1'><span =
style=3D'font-size:12.0pt;font-family:"Calibri",sans-serif'>The huge =
number of birds arriving along the Upper North Shore of Quebec =
throughout the morning is supportive of the observations at Cape Forchu =
that more birds in the spring often arrived in the early morning hours =
after sunrise rather than in the pre-dawn =
period.<o:p></o:p></span></li></ol><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Calibri",sans-serif'><o:p> </=
o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Calibri",sans-serif'>Detailed =
information for Cape Forchu for the last week of May can be found at my =
<a =
href=3D"http://www.johnfkearney.com/Cape_Forchu_Yarmouth_County_2018.html=
">website</a>.<o:p></o:p></span></p><p =
class=3DMsoNormal><o:p> </o:p></p></div></body></html>
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