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Thanks for the comments, Eric. We are always open to suggestions and apprec=
iate your concerns. Those involved in the creation of the 'Spring First Arr=
ivals' initiative are trying to provide useful and engaging content for the=
birding community. I find the language in your e-mail a bit aggressive - w=
e're all on the same team! I do not have a PhD in statistics, but it is my =
understanding that the limitations intrinsic to a single "arrival date" for=
an entire province would render such a record less useful for species whos=
e arrival or passage through our province is less obvious. Anyone looking t=
o analyze movements of those species will likely get better results from a =
larger dataset where parameters can be adjusted to fit their needs. Please =
enlighten the cabal if you think otherwise.
Alix Arthur d'Entremont
BSc Geomatics Engineering
292 Abbott's Harbour Road
Middle West Pubnico
Yarmouth Co., Nova Scotia
Canada B0W 2M0
Phone: +1 902 762 2082
Mobile: +1 902 307 0373
e-mail: alixdentremont@hotmail.com
Bird Photography http://www.flickr.com/photos/alixd/
Website http://alixdentremont.blogspot.ca/
________________________________
From: naturens-owner@chebucto.ns.ca <naturens-owner@chebucto.ns.ca> on beha=
lf of Eric Mills <E.Mills@Dal.Ca>
Sent: March 19, 2018 9:07 AM
To: naturens@chebucto.ns.ca
Subject: Re: [NatureNS] Spring first arrivals
Hello Nancy,
So lots of species - Common Eiders, loons, the Scoters, most common gulls, =
Robins, on and on - are excluded from this Citizen Science project.
I think that the anonymous cabal (I know who they are; I am just being face=
tious) that has established these criteria and the list should think again=
. There are many good field birders in Nova Scotia who know their local pat=
ches very well and can make good informed judgements about what has arrived=
and what has been around all winter.
With such a constipated list we will certainly miss new and significant inf=
ormation about many species. I don't think that is necessary and it is cert=
ainly not desirable.
Eric
Eric L. Mills
Lower Rose Bay
Lunenburg Co., NS
________________________________
From: naturens-owner@chebucto.ns.ca <naturens-owner@chebucto.ns.ca> on beha=
lf of nancy dowd <nancypdowd@gmail.com>
Sent: March 19, 2018 7:04:16 AM
To: naturens@chebucto.ns.ca
Subject: Re: [NatureNS] Spring first arrivals
These no doubt are Spring First Arrivals, arriving via the route you mentio=
ned. So I will use this opportunity to clarify some of the reasoning behind=
the species list on the NSBS Spring First Arrivals table. http://www.nsbir=
dsociety.ca/library/resources/spring-first-arrivals
The reason these species are not part of this NSBS dataset: We have exclude=
d species who have significant overwintering populations in some part of NS=
(see Conclusion section below table), to reduce any entries that require a=
ssumptions on our part. For example, did those RB Gulls get blown in from a=
nearby wintering population? Or were the Lesser Black-backs (always a tong=
ue twister) ones already present in SW NS (probably not)? Even Baltimore Or=
ioles got nixed due to ambiguity.
NatureNS will be getting regular updates on Spring First Arrivals as the mi=
gration season progresses. So please post any sightings.
Nancy
Sent from my iPad
On Mar 18, 2018, at 9:07 PM, Eric Mills <E.Mills@Dal.Ca<mailto:E.Mills@Dal.=
Ca>> wrote:
Two that I believe qualify, with my justification:
Ring-billed Gull - March 18. 10 bright full adults roosting with Herring Gu=
lls off Privateer Park, Liverpool, Queens Co., were not present earlier. Th=
roughout the winter 1-2 Ring-bills, usually first-winter (occasionally adul=
ts) have been present.
Lesser Black-backed Gull - March 11. An adult graellsii arrived among roost=
ing Herring and Greater Black-backed Gulls off Privateer Park, Liverpool, Q=
ueens Co., slept for a while, and then headed off seaward. The timing is co=
nsistent with northward movement from wintering areas in the southeastern U=
SA (likely toward nesting areas in W Greenland or Iceland, although no doub=
t by easy stages so early in the season).
Eric Mills
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<p style=3D"margin-top:0;margin-bottom:0">Thanks for the comments, Eric. We=
are always open to suggestions and appreciate your concerns. Those involve=
d in the creation of the 'Spring First Arrivals' initiative are trying to p=
rovide useful and engaging content
for the birding community. I find the language in your e-mail a bit aggres=
sive - we're all on the same team! I do not have a PhD in statistics, but i=
t is my understanding that the limitations intrinsic to a single "arri=
val date" for an entire province would
render such a record less useful for species whose arrival or passage thro=
ugh our province is less obvious. Anyone looking to analyze movements of th=
ose species will likely get better results from a larger dataset where para=
meters can be adjusted to fit their
needs. Please enlighten the <i>cabal</i> if you think otherwise.<br>
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