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Index of Subjects This is a multi-part message in MIME format. ------=_NextPart_000_003E_01CBB502.AD4E4120 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable This porpoise looks emaciated. The dorsal musculature is concave (both = sides of the dorsal fin) and the skull is beginning to show a bit of a = neck. Emaciation is a common cause of death in the winter when prey = species such as herring are using their own fat reserves. The porpoises = may need to eat two to three times as many fish as they would in the = summer to obtain enough energy depending on the seasonal energy level of = each fish. Many can not find enough to eat and begin metabolizing their = blubber. This poses the additional problem of hypothermia because the = blubber is an insulating layer. Blubber, of course, also helps with = streamlining, provides buoyancy and is elastic which can help with = swimming and therefore reducing the amount of oxygen required since the = muscles don't have to work as hard, but I digress. Seabirds can also become emaciated in the winter for the same reason. Laurie Murison Grand Manan, NB ----- Original Message -----=20 From: John Kearney=20 To: naturens@chebucto.ns.ca=20 Sent: Saturday, January 15, 2011 5:25 PM Subject: [NatureNS] Harbour Porpoise? I found what looks to me to be a dead Harbour Porpoise on the beach at = Arisaig Point this afternoon. Photos are at the following link: = http://picasaweb.google.com/j.f.kearney/MarineMammal#. Can someone confirm the identification? Thanks, John=20 ------=_NextPart_000_003E_01CBB502.AD4E4120 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML xmlns=3D"http://www.w3.org/TR/REC-html40" xmlns:v =3D=20 "urn:schemas-microsoft-com:vml" xmlns:o =3D=20 "urn:schemas-microsoft-com:office:office" xmlns:w =3D=20 "urn:schemas-microsoft-com:office:word" xmlns:m =3D=20 "http://schemas.microsoft.com/office/2004/12/omml"><HEAD> <META content=3D"text/html; charset=3Diso-8859-1" = http-equiv=3DContent-Type> <META name=3DGENERATOR content=3D"MSHTML 8.00.6001.18928"> <STYLE>@font-face { font-family: Calibri; } @font-face { font-family: Comic Sans MS; } @page WordSection1 {size: 612.0pt 792.0pt; margin: 72.0pt 72.0pt 72.0pt = 72.0pt; } P.MsoNormal { MARGIN: 0cm 0cm 0pt; FONT-FAMILY: "Calibri","sans-serif"; FONT-SIZE: = 11pt; mso-fareast-language: EN-US } LI.MsoNormal { MARGIN: 0cm 0cm 0pt; FONT-FAMILY: "Calibri","sans-serif"; FONT-SIZE: = 11pt; mso-fareast-language: EN-US } DIV.MsoNormal { MARGIN: 0cm 0cm 0pt; FONT-FAMILY: "Calibri","sans-serif"; FONT-SIZE: = 11pt; mso-fareast-language: EN-US } A:link { COLOR: blue; TEXT-DECORATION: underline; mso-style-priority: 99 } SPAN.MsoHyperlink { COLOR: blue; TEXT-DECORATION: underline; mso-style-priority: 99 } A:visited { COLOR: purple; TEXT-DECORATION: underline; mso-style-priority: 99 } SPAN.MsoHyperlinkFollowed { COLOR: purple; TEXT-DECORATION: underline; mso-style-priority: 99 } SPAN.EmailStyle17 { FONT-FAMILY: "Calibri","sans-serif"; COLOR: windowtext; mso-style-type: = personal-compose } .MsoChpDefault { FONT-FAMILY: "Calibri","sans-serif"; mso-fareast-language: EN-US; = mso-style-type: export-only } DIV.WordSection1 { page: WordSection1 } </STYLE> <!--[if gte mso 9]><xml> <o:shapedefaults v:ext=3D"edit" spidmax=3D"1026" /> </xml><![endif]--><!--[if gte mso 9]><xml> <o:shapelayout v:ext=3D"edit"> <o:idmap v:ext=3D"edit" data=3D"1" /> </o:shapelayout></xml><![endif]--></HEAD> <BODY lang=3DEN-CA link=3Dblue bgColor=3D#ffffff vLink=3Dpurple> <DIV><FONT size=3D2 face=3DArial>This porpoise looks emaciated. = The dorsal=20 musculature is concave (both sides of the dorsal fin) and the skull is = beginning=20 to show a bit of a neck. Emaciation is a common cause of death in = the=20 winter when prey species such as herring are using their own fat=20 reserves. The porpoises may need to eat two to three times as many = fish as=20 they would in the summer to obtain enough energy depending on the = seasonal=20 energy level of each fish. Many can not find enough to eat = and begin=20 metabolizing their blubber. This poses the additional problem = of=20 hypothermia because the blubber is an insulating = layer. Blubber,=20 of course, also helps with streamlining, provides buoyancy and is = elastic=20 which can help with swimming and therefore reducing the amount of oxygen = required since the muscles don't have to work as hard, but I=20 digress.</FONT></DIV> <DIV><FONT size=3D2 face=3DArial></FONT> </DIV> <DIV><FONT size=3D2 face=3DArial>Seabirds can also become emaciated in = the winter=20 for the same reason.</FONT></DIV> <DIV><FONT size=3D2 face=3DArial></FONT> </DIV> <DIV><FONT size=3D2 face=3DArial>Laurie Murison</FONT></DIV> <DIV><FONT size=3D2 face=3DArial>Grand Manan, NB</FONT></DIV> <BLOCKQUOTE=20 style=3D"BORDER-LEFT: #000000 2px solid; PADDING-LEFT: 5px; = PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px"=20 dir=3Dltr> <DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV> <DIV=20 style=3D"FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: = black"><B>From:</B>=20 <A title=3Djohn.kearney@ns.sympatico.ca=20 href=3D"mailto:john.kearney@ns.sympatico.ca">John Kearney</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> Saturday, January 15, = 2011 5:25=20 PM</DIV> <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> [NatureNS] Harbour=20 Porpoise?</DIV> <DIV><BR></DIV> <DIV class=3DWordSection1> <P class=3DMsoNormal>I found what looks to me to be a dead Harbour = Porpoise on=20 the beach at Arisaig Point this afternoon. Photos are at the following = link:=20 <A=20 = href=3D"http://picasaweb.google.com/j.f.kearney/MarineMammal#">http://pic= asaweb.google.com/j.f.kearney/MarineMammal#</A>.<o:p></o:p></P> <P class=3DMsoNormal>Can someone confirm the = identification?<o:p></o:p></P> <P class=3DMsoNormal>Thanks,<o:p></o:p></P> <P class=3DMsoNormal>John<SPAN=20 style=3D"FONT-FAMILY: 'Comic Sans MS'; FONT-SIZE: 10pt; = mso-fareast-language: EN-CA">=20 </SPAN><o:p></o:p></P></DIV></BLOCKQUOTE></BODY></HTML> ------=_NextPart_000_003E_01CBB502.AD4E4120--