[NatureNS] Origin of Indigo Buntings

From: "John Kearney" <john.kearney@ns.sympatico.ca>
To: <naturens@chebucto.ns.ca>
Date: Thu, 19 Apr 2018 13:05:44 -0300
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Hi all,

I did a little analysis this morning of weather, bird distributions, and
wind modeling. It looks like 2 different sources arising from the same
weather system brought the Indigo Buntings. The first group was off the
coast of the Carolinas on the evening of 15 April and arrived in western
Nova Scotia on the afternoon of 16 April. The other group left or was in the
vicinity of Bermuda the evening of 16 April arriving over an extensive
geographical area of Nova Scotia on the afternoon of the 17th but focused on
the South Shore. This last group was accompanied by some Rose-breasted
Grosbeaks and Blue Grosbeaks which are common spring migrants in Bermuda in
the spring. I suspect most birds arrived via Bermuda.

This has probably happened fairly regularly in the past but we are more
aware of it now because it is a species that is so noticeable at bird
feeders and lawns and people have a reporting tool on Facebook.

John

 


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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;mso-fareast-la=
nguage:EN-CA'>I did a little analysis this morning of weather, bird =
distributions, and wind modeling. It looks like 2 different sources =
arising from the same weather system brought the Indigo Buntings. The =
first group was off the coast of the Carolinas on the evening of 15 =
April and arrived in western Nova Scotia on the afternoon of 16 April. =
The other group left or was in the vicinity of Bermuda the evening of 16 =
April arriving over an extensive geographical area of Nova Scotia on the =
afternoon of the 17<sup>th</sup> but focused on the South Shore. This =
last group was accompanied by some Rose-breasted Grosbeaks and Blue =
Grosbeaks which are common spring migrants in Bermuda in the spring. I =
suspect most birds arrived via Bermuda.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-la=
nguage:EN-CA'>This has probably happened fairly regularly in the past =
but we are more aware of it now because it is a species that is so =
noticeable at bird feeders and lawns and people have a reporting tool on =
Facebook.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-la=
nguage:EN-CA'>John<o:p></o:p></span></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div></body></html>
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