next message in archive
no next message in thread
previous message in archive
previous message in thread
Index of Subjects
Index of Subjects This is a multi-part message in MIME format. --Boundary_(ID_r2Yl4l8sM5NcIm73ar08/w) Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7BIT Hi James, >Someone asked me about the term of nomad blue jays during this time of year. I am not familiar with this term or what it is called. Can anyone shed some light on this. I can think of three uses for this term. The first applies to 'large scale', long distance migration. Basically it refers to the fact that the area that Blue Jays migrate to in winter is determined by weather and food supply so can vary from year to year. Probably most migrant species are nomadic to one extent or another on their wintering grounds. On the small scale, while some Blue Jays are loyal to the same feeder throughout the winter, many of the Blue Jays that you see at your feeder are probably not the same individuals all winter. 'Nomadic' Blue Jays in this case would refer to individuals who circulated around a large area, visiting many feeding areas and never staying at the same one for very long. The third use would be for single birds that are transiting through an area in the summer. Probably non- or failed breeders. Interestingly it use to be thought that the nomadic flocks and individuals were young birds but the most recent studies indicate that both young and old birds will behave in this manner. Of course, Blue Jays are found in Nova Scotia year round. To muddy the waters a bit, the Blue Jays seen at feeders in Nova Scotia may or may not be locally breeding birds. Also, studies indicate that the same Blue Jay may migrate some years and not others. So while there may be loyal Blue Jays such as the one that has been visiting Eleanor Lindsay's feeder for five years (perhaps its injury has something to do with this?) few others may be. All the best, Lance =========================== Lance Laviolette Glen Robertson, Ontario lance.laviolette@lmco.com =========================== ________________________________ From: naturens-owner@chebucto.ns.ca [mailto:naturens-owner@chebucto.ns.ca] On Behalf Of James Hirtle Sent: Monday, September 24, 2007 8:39 PM To: Naturens Naturens Subject: [NatureNS] Nomad Blue Jays Hi All: Someone asked me about the term of nomad blue jays during this time of year. I am not familiar with this term or what it is called. Can anyone shed some light on this. Sincerely, James ________________________________ Explore the seven wonders of the world Learn more! <http://search.msn.com/results.aspx?q=7+wonders+world&mkt=en-US&form=QBR E> --Boundary_(ID_r2Yl4l8sM5NcIm73ar08/w) Content-type: text/html; charset=us-ascii Content-transfer-encoding: 7BIT <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=us-ascii"> <STYLE>.hmmessage P { PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px } BODY.hmmessage { FONT-SIZE: 10pt; FONT-FAMILY: Tahoma } </STYLE> <META content="MSHTML 6.00.2900.3157" name=GENERATOR></HEAD> <BODY class=hmmessage> <DIV dir=ltr align=left><SPAN class=782015513-25092007><FONT face=Arial color=#0000ff>Hi James,</FONT></SPAN></DIV> <DIV dir=ltr align=left><SPAN class=782015513-25092007><FONT face=Arial color=#0000ff><FONT color=#000000></FONT></FONT></SPAN> </DIV> <DIV dir=ltr align=left><SPAN class=782015513-25092007><FONT face=Arial color=#0000ff><FONT color=#000000>>Someone asked me about the term of nomad blue jays during this time of year. I am not familiar with this term or what it is called. Can anyone shed some light on this.</FONT><BR></DIV></FONT></SPAN> <DIV dir=ltr align=left><SPAN class=782015513-25092007><FONT face=Arial color=#0000ff>I can think of three uses for this term. The first applies to 'large scale', long distance migration. Basically it refers to the fact that the area that Blue Jays migrate to in winter is determined by weather and food supply so can vary from year to year. Probably most migrant species are nomadic to one extent or another on their wintering grounds. On the small scale, while some Blue Jays are loyal to the same feeder throughout the winter, many of the Blue Jays that you see at your feeder are probably not the same individuals all winter. 'Nomadic' Blue Jays in this case would refer to individuals who circulated around a large area, visiting many feeding areas and never staying at the same one for very long. The third use would be for single birds that are transiting through an area in the summer. Probably non- or failed breeders. </FONT></SPAN></DIV> <DIV dir=ltr align=left><SPAN class=782015513-25092007><FONT face=Arial color=#0000ff></FONT></SPAN> </DIV> <DIV dir=ltr align=left><SPAN class=782015513-25092007><FONT face=Arial color=#0000ff>Interestingly it use to be thought that the nomadic flocks and individuals were young birds but the most recent studies indicate that both young and old birds will behave in this manner. Of course, Blue Jays are found in Nova Scotia year round. To muddy the waters a bit, the Blue Jays seen at feeders in Nova Scotia may or may not be locally breeding birds. Also, studies indicate that the same Blue Jay may migrate some years and not others. So while there may be loyal Blue Jays such as the one that has been visiting <FONT size=2>Eleanor Lindsay's feeder for five years (perhaps its injury has something to do with this?) few others may be.</FONT></FONT></SPAN></DIV> <DIV dir=ltr align=left><SPAN class=782015513-25092007><FONT face=Arial color=#0000ff></FONT></SPAN> </DIV> <DIV><SPAN class=782015513-25092007><FONT face=Arial color=#0000ff>All the best,</FONT></SPAN></DIV> <DIV><SPAN class=782015513-25092007><FONT face=Arial color=#0000ff></FONT></SPAN> </DIV> <DIV><SPAN class=782015513-25092007><FONT face=Arial color=#0000ff>Lance</FONT></SPAN></DIV> <DIV><SPAN class=782015513-25092007><!-- Converted from text/rtf format --> <P><SPAN lang=en-us><FONT face="Courier New" size=2>===========================</FONT></SPAN> <BR><SPAN lang=en-us><FONT face="Courier New" size=2>Lance Laviolette</FONT></SPAN> <BR><SPAN lang=en-us><FONT face="Courier New" size=2>Glen Robertson, Ontario</FONT></SPAN> <BR><SPAN lang=en-us><FONT face="Courier New" size=2>lance.laviolette@lmco.com</FONT></SPAN> <BR><SPAN lang=en-us><FONT face="Courier New" size=2>===========================</FONT></SPAN> </P></SPAN></DIV> <DIV dir=ltr align=left><BR></DIV> <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px solid; MARGIN-RIGHT: 0px"> <DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left> <HR tabIndex=-1> <FONT face=Tahoma><B>From:</B> naturens-owner@chebucto.ns.ca [mailto:naturens-owner@chebucto.ns.ca] <B>On Behalf Of </B>James Hirtle<BR><B>Sent:</B> Monday, September 24, 2007 8:39 PM<BR><B>To:</B> Naturens Naturens<BR><B>Subject:</B> [NatureNS] Nomad Blue Jays<BR></FONT><BR></DIV> <DIV></DIV>Hi All:<BR> <BR>Someone asked me about the term of nomad blue jays during this time of year. I am not familiar with this term or what it is called. Can anyone shed some light on this.<BR> <BR>Sincerely,<BR> <BR>James<BR><BR> <HR> Explore the seven wonders of the world <A href="http://search.msn.com/results.aspx?q=7+wonders+world&mkt=en-US&form=QBRE" target=_new>Learn more!</A> </BLOCKQUOTE></BODY></HTML> --Boundary_(ID_r2Yl4l8sM5NcIm73ar08/w)--
next message in archive
no next message in thread
previous message in archive
previous message in thread
Index of Subjects