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co This is a multipart message in MIME format. ------=_NextPart_000_0027_01D3CA6E.A7B42250 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Nancy, I did check weather systems in late February and nothing seemed apparent = to me to explain Black-crowned Night Heron. John =20 From: naturens-owner@chebucto.ns.ca <naturens-owner@chebucto.ns.ca> On = Behalf Of nancy dowd Sent: Sunday, April 01, 2018 15:03 To: naturens@chebucto.ns.ca Subject: Re: [NatureNS] Super early BC Night Heron =20 Thanks so much for providing these analyses. It really explains the = overshoot arrival dates. Except, as said, the BC Night Heron. A puzzle, = that one.=20 =20 Did you notice any strong weather systems that may have carried it in = Feb? I see McLaren records one having survived on CSI =E2=80=9Cuntil at = least late February=E2=80=9D in 2000 (All the Birds of Nova Scotia). You = have to wonder if one overwintered on Bob Portage or somewhere N of the = main wintering range and was possibly displaced further north at some = point (total speculation on my part).=20 =20 Nancy Sent from my iPad On Apr 1, 2018, at 1:28 PM, John Kearney <john.kearney@ns.sympatico.ca = <mailto:john.kearney@ns.sympatico.ca> > wrote: Hi Rick and all, That=E2=80=99s an interesting comment about how the arrival of herons = and egrets in March were similar to what one can see with a hurricane. I = just finished checking the weather systems in March, and there were two = that could have brought migrating egrets/herons to Nova Scotia. Both = systems had an =E2=80=9Ceye=E2=80=9D with calm winds at surface levels. = The first one would have picked up birds off the southeast coast of the = United States on the morning of March 12. If the birds were able to keep = up with the speed of the eye, they would have been deposited in = Shelburne County on March 14 at 6:00 am (42 to 48 hours in flight). The = second low formed on the morning of March 21 off North Carolina but did = not form a typical eye. Rather there was a long tongue of calm weather = sandwiched between opposing high winds with the tongue extending out in = the Atlantic south of Nova Scotia. This tongue eventually twisted = northward and would have deposited birds just east of Halifax at about = 3:00 PM on 22 March (about 32 hours in flight). If this analysis is = correct, the birds would not have received any wind assistance in flying = such a distance. But herons and egrets are good gliders, and this might = explain their ability to keep up with the eye/tongue in near calm winds. The Black-crowned Night Heron on March 1 doesn=E2=80=99t fit into either = of these scenarios. John =20 From: naturens-owner@chebucto.ns.ca = <mailto:naturens-owner@chebucto.ns.ca> <naturens-owner@chebucto.ns.ca = <mailto:naturens-owner@chebucto.ns.ca> > On Behalf Of Rick Whitman Sent: Saturday, March 31, 2018 20:15 To: naturens <naturens@chebucto.ns.ca <mailto:naturens@chebucto.ns.ca> > Subject: Re: [NatureNS] Super early BC Night Heron =20 Just to add to Wayne's comments about carriage of these herons by major = air movements, if you check eBird today, March 31, the most northerly = Little Blue Heron in the eastern US is in Connecticut, seen yesterday. = The second most northerly is in New Jersey, also seen yesterday. (These = would be "approved" reports.) =20 The most northerly Tricolored Herons in the eastern US are also in New = Jersey, about seven birds seen Mar 29-31. =20 Both species will eventually reach sw Maine or n Mass. as the limits of = their breeding range, so these birds in the US are still heading N under = normal migration patterns. The transfer that occurred a week or so ago = was pretty much similar to what happens during hurricanes. =20 Regards, Rick Whitman =20 On 28 March 2018 at 14:01, Wayne P. Neily <Neilyornis@hotmail.com = <mailto:Neilyornis@hotmail.com> > wrote: Hello Nancy, =20 This and the other egrets found more recently in NS are likely carried = here from the Middle Atlantic States by the massive movements of air = associated with storms. Most of the 12-15 in NS, Newfoundland, and St. = Pierre seem to have been carried here by a major air movement from North = Carolina out into the Atlantic looping back here last Friday and = Saturday. I don't know whether you are counting these as first migrants = or not, but there are likely more out there, if we could scour all the = likely spots. =20 Wayne P. Neily=20 Tremont, Kings Co., Nova Scotia =20 Those who care about the future, make E.I.A.* part of every decision or = plan they make. -=20 * =3D Environmental Impact Assessment (size appropriate to the = significance of the plan or action). =20 =20 _____ =20 From: naturens-owner@chebucto.ns.ca = <mailto:naturens-owner@chebucto.ns.ca> <naturens-owner@chebucto.ns.ca = <mailto:naturens-owner@chebucto.ns.ca> > on behalf of nancy dowd = <nancypdowd@gmail.com <mailto:nancypdowd@gmail.com> > Sent: March 28, 2018 07:14 To: naturens@chebucto.ns.ca <mailto:naturens@chebucto.ns.ca>=20 Subject: [NatureNS] Super early BC Night Heron=20 =20 An imm Black-crowned Night Heron seen on Mar 1 in downtown Sydney! A = photo was recently posted on the NSBS Facebook page. Here is a link = https://www.facebook.com/groups/114204608605113?view=3Dpermalink = <https://www.facebook.com/groups/114204608605113?view=3Dpermalink&id=3D23= 47801488578736> &id=3D2347801488578736=20 = <https://www.facebook.com/groups/114204608605113?view=3Dpermalink&id=3D23= 47801488578736> Log into Facebook | Facebook www.facebook.com <http://www.facebook.com>=20 Log into Facebook to start sharing and connecting with your friends, = family, and people you know. =20 (Not sure if this will work if you are not on FB though.) =20 An exceptional find in any case. So far, 2018 NS overshooting Waders = have been very early compared to the past four years = http://www.nsbirdsociety.ca/library/resources/spring-first-arrivals =20 Nancy Sent from my iPad =20 ------=_NextPart_000_0027_01D3CA6E.A7B42250 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable <html xmlns:v=3D"urn:schemas-microsoft-com:vml" = xmlns:o=3D"urn:schemas-microsoft-com:office:office" = xmlns:w=3D"urn:schemas-microsoft-com:office:word" = xmlns:m=3D"http://schemas.microsoft.com/office/2004/12/omml" = xmlns=3D"http://www.w3.org/TR/REC-html40">