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Toanswer your question, the tracking program is supposed to filter out =
poor satellite fixes but some seem to have gotten past the filter since =
it is unlikely the birds flew across land and back. I haven't looked at =
the data myself but the quality of each is recorded and I am assuming =
this is the case.
The first shearwater to reach Tristan da Cunha is Sedna but she/he may =
have lost her/his tag coming and going from the burrow or it simply fall =
off since there hasn't been a signal for several days or perhaps she/he =
is staying in her/his burrow. If the tag has fallen off this is =
unfortunate since there were several more weeks of battery life left on =
the tag. However, overall we are very pleased with the longevity of the =
tags so far.
One shearwater (Kaiva) is still off the coast of Argentina. =20
Although the names of the birds may imply a particular sex for each =
bird, we have yet to sex each one and are hoping to do so through =
genetic analysis of blood samples.
Laurie Murison
Grand Manan, NB
----- Original Message -----=20
From: c.majka@ns.sympatico.ca=20
To: naturens@chebucto.ns.ca=20
Sent: Tuesday, November 07, 2006 12:37 PM
Subject: Re: [NatureNS] shearwaters moving
Hi Laurie,
Very interesting. Perhaps you can refresh our collective memory (at =
least mine, who seems to have forgotten this) as to what the reasons is =
for the apparent movement of some of these birds inland across large =
distances of the southern South America peninsula?
Cheers!
Chris
On 6-Nov-06, at 4:00 PM, Laurie Murison wrote:
If you haven't checked the greater shearwater satellite tracking =
site recently, three birds have started their easterly flight from =
Argentina to Tristan da Cunha.
http://www.seaturtle.org/tracking/?project_id=3D176
Laurie Murison
Grand Manan, NB
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.
Christopher Majka - Nova Scotia Museum of Natural History
1747 Summer Street, Halifax, Nova Scotia, Canada B3H 3A6
(902) 424-6435 Email <c.majka@ns.sympatico.ca>
=
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<DIV><FONT face=3DArial size=3D2>Toanswer your question, the tracking =
program is=20
supposed to filter out poor satellite fixes but some seem to have =
gotten=20
past the filter since it is unlikely the birds flew across land and =
back. =20
I haven't looked at the data myself but the quality of each is recorded =
and I am=20
assuming this is the case.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>The first shearwater to reach =
Tristan da Cunha=20
is Sedna but she/he may have lost her/his tag coming and going from the =
burrow=20
or it simply fall off since there hasn't been a signal for several days =
or=20
perhaps she/he is staying in her/his burrow. If the tag has fallen =
off=20
this is unfortunate since there were several more weeks of battery life =
left on=20
the tag. However, overall we are very pleased with the longevity =
of the=20
tags so far.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>One shearwater (Kaiva) is still off the =
coast of=20
Argentina. </FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Although the names of the birds may =
imply a=20
particular sex for each bird, we have yet to sex each one and are hoping =
to do=20
so through genetic analysis of blood samples.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Laurie Murison</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Grand Manan, NB</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV>----- Original Message ----- </DIV>
<BLOCKQUOTE dir=3Dltr=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV=20
style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
black"><B>From:</B>=20
<A title=3Dc.majka@ns.sympatico.ca=20
href=3D"mailto:c.majka@ns.sympatico.ca">c.majka@ns.sympatico.ca</A> =
</DIV>
<DIV style=3D"FONT: 10pt arial"><B>To:</B> <A =
title=3Dnaturens@chebucto.ns.ca=20
href=3D"mailto:naturens@chebucto.ns.ca">naturens@chebucto.ns.ca</A> =
</DIV>
<DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Tuesday, November 07, =
2006 12:37=20
PM</DIV>
<DIV style=3D"FONT: 10pt arial"><B>Subject:</B> Re: [NatureNS] =
shearwaters=20
moving</DIV>
<DIV><BR></DIV>Hi Laurie,
<DIV><BR class=3Dkhtml-block-placeholder></DIV>
<DIV>Very interesting. Perhaps you can refresh our collective memory =
(at least=20
mine, who seems to have forgotten this) as to what the reasons is for=20
the apparent movement of some of these birds inland across large=20
distances of the southern South America peninsula?</DIV>
<DIV><BR class=3Dkhtml-block-placeholder></DIV>
<DIV>Cheers!</DIV>
<DIV><BR class=3Dkhtml-block-placeholder></DIV>
<DIV>Chris</DIV>
<DIV><BR>
<DIV>
<DIV>On 6-Nov-06, at 4:00 PM, Laurie Murison wrote:</DIV><BR=20
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<DIV><FONT face=3DArial size=3D2>