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Thanks Lance, I was wondering if it was both migrations but I guess not. Ho=
wever I=92m thinking their spring migration might be at least be partially =
adventurous as well? Looking at the April eBird sightings shows the warbler=
s coming up the continent and showing our breeders coming up the east coast=
. Black-and-White and Black-throated Green have reached Maine and others ar=
e not far behind. But while some Blackpoll are being sighted in the middle =
of the continent, there has only been two sightings north of Florida on the=
east coast states. I=92m going to try to remember to keep on eye on this t=
o see how the Blackpoll arrival shows on eBird.
I just saw your last email come in with the link to the CBC article, thanks=
I=92ll check that out later
Keith
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s 10
From: Laviolette, Lance<mailto:lance.laviolette@lmco.com>
Sent: Tuesday, April 25, 2017 11:47 AM
To: naturens@chebucto.ns.ca<mailto:naturens@chebucto.ns.ca>
Subject: RE: [NatureNS] FOY Blue-headed Vireo - Somerset NS
Hi Keith,
In the fall Blackpoll Warblers fly from the northwest across Nova Scotia an=
d out over the Atlantic Ocean to the southeast. There, they pick up the pre=
vailing winds from the northeast which push them (they take advantage of) b=
ack over the Caribbean Islands and to South America.
Cheers,
Lance
Lance Laviolette
Glen Robertson, Ontario
From: naturens-owner@chebucto.ns.ca [mailto:naturens-owner@chebucto.ns.ca] =
On Behalf Of Keith Lowe
Sent: Tuesday, April 25, 2017 10:33 AM
To: naturens@chebucto.ns.ca
Subject: EXTERNAL: RE: [NatureNS] FOY Blue-headed Vireo - Somerset NS
So the ones that fly a longer distance from Massachusetts are probably usua=
lly better off because of better odds of getting a southerly wind as oppose=
d to a favorable west wing to cross the Bay of Fundy.
Someone correct me if I'm wrong but I believe Blackpoll Warbler can fly str=
aight to NS from South America over ocean? Obviously not the typical migrat=
ion pattern
Sent from my Windows 10 phone
From: Rick Whitman<mailto:dendroica.caerulescens@gmail.com>
Sent: April 25, 2017 11:18 AM
To: naturens<mailto:naturens@chebucto.ns.ca>
Subject: Re: [NatureNS] FOY Blue-headed Vireo - Somerset NS
Natural Selection has very carefuly hard-wired the "rules" as to when and u=
nder what weather conditions it is (almost) safe to set out across the Gulf=
of Maine or the Bay of Fundy. It's all very well to edge forward county by=
county in Maine. When you weigh 16 grams you don't set out on that crossin=
g until conditions are good to excellent.
Best,
Rick Whitman
On 25 April 2017 at 09:56, Keith Lowe <mythos25@live.com<mailto:mythos25@li=
ve.com>> wrote:
Thinking about it, most warblers and vireos must cross the ocean from New E=
ngland because they are often reported first in the Digby/Yarmouth/Shelburn=
e. But then why does it take so long for us to get Blue-headed Vireo consid=
ering they are already further north in Maine than those counties?
Keith
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s 10
From: Keith Lowe<mailto:mythos25@live.com>
Sent: Tuesday, April 25, 2017 9:50 AM
To: naturens@chebucto.ns.ca<mailto:naturens@chebucto.ns.ca>
Subject: RE: [NatureNS] FOY Blue-headed Vireo - Somerset NS
They are common by May but while April 24 is not unprecedented it is defini=
tely early for Blue-headed Vireo in NS. To date, the earliest accepted eBir=
d report is April 26.
The following link shows the progress of their impending arrival according =
to this month=92s eBird sightings. You can see that the leading edge of the=
wave is halfway across Maine now
http://ebird.org/ebird/map/buhvir?neg=3Dtrue&env.minX=3D&env.minY=3D&env.ma=
xX=3D&env.maxY=3D&zh=3Dfalse&gp=3Dfalse&ev=3DZ&mr=3Don&bmo=3D4&emo=3D4&yr=
=3Dcur&byr=3D2017&eyr=3D2017
I wish we had a resource that would tell us which species will cross the oc=
ean from New England and which will only migrate via NB. But judging by the=
ir scare reports in April and seeing how many are in Maine now I=92m guessi=
ng Blue-headed Vireo come in from NB?
Keith Lowe
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s 10
From: Ron Wilson<mailto:solidago123@gmail.com>
Sent: Monday, April 24, 2017 9:42 PM
To: Nature NS<mailto:naturens@chebucto.ns.ca>
Subject: [NatureNS] FOY Blue-headed Vireo - Somerset NS
Had a Blue-headed Vireo in our little woodlot today. It was feeding in the =
company of a male and female Yellow-rumped Warbler and a Brown Creeper.
Entered the report on E-bird and it said that Blue-headed Vireo was conside=
red rare for this location and date. That kind of surprised me as I've had =
them here before May 17, 2014 and a pair on May 08, 2016. It must have been=
the relatively early date that sent up the alert.
Ron Wilson
Somerset NS
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