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Index of Subjects This is a multi-part message in MIME format. ------=_NextPart_000_0020_01C8A604.9163B590 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi Heather, You may find this site interesting; http://www.learner.org/jnorth/tm/AltitudeComparisons.html I don't know the answer to your first two questions but regarding = migrating at night....this is very common, in fact the vast majority of = migration goes on at night. A very detailed and fascinating study of bird migration [ close to 400 = pages long ] is the book " Living On The Wind" by Scott Weidensaul" Andy & Lelia Dean 86 Baden Powell Drive Kentville, NS. Canada. B4N 5P5 Tel: [902] 678-6243 aadean@ns.sympatico.ca ----- Original Message -----=20 From: Heather Drope=20 To: naturens@chebucto.ns.ca=20 Sent: Wednesday, April 23, 2008 1:33 PM Subject: [NatureNS] migration altitude question The son of a friend of mine was flying, not solo yet, and he and the=20 instructor found themselves headed into a flock of white birds at an=20 altitude of 3,000 feet. They dove to try and keep the damage to = minimum,=20 which they did. They survived. The question is - do different species of birds fly at different = altitudes=20 when migrating? Is it always the same or what determines it? The next burning question is - do birds migrate at night in huge = flocks? Hope someone can answer these questions... Heather D. ------=_NextPart_000_0020_01C8A604.9163B590 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=3DContent-Type content=3D"text/html; = charset=3Diso-8859-1"> <META content=3D"MSHTML 6.00.2900.3314" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=3D#ffffff> <DIV><FONT face=3DArial size=3D2>Hi Heather,</FONT></DIV> <DIV><FONT face=3DArial size=3D2>You may find this site = interesting;</FONT></DIV> <DIV><FONT face=3DArial size=3D2><A=20 href=3D"http://www.learner.org/jnorth/tm/AltitudeComparisons.html">http:/= /www.learner.org/jnorth/tm/AltitudeComparisons.html</A></FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>I don't know the answer to your first = two questions=20 but regarding migrating at night....this is very common, in fact = the vast=20 majority of migration goes on at night.</FONT></DIV> <DIV><FONT face=3DArial size=3D2>A very detailed and fascinating study = of bird=20 migration [ close to 400 pages long ] is the book " Living On The = Wind" by=20 Scott Weidensaul"</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>Andy & Lelia Dean<BR>86 Baden = Powell=20 Drive<BR>Kentville, NS. Canada. B4N 5P5<BR>Tel: [902] = 678-6243</FONT></DIV> <DIV> </DIV> <DIV><FONT face=3DArial size=3D2><A=20 href=3D"mailto:aadean@ns.sympatico.ca">aadean@ns.sympatico.ca</A></FONT><= /DIV> <BLOCKQUOTE=20 style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; = BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV> <DIV=20 style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: = black"><B>From:</B>=20 <A title=3Dheather.drope@ns.sympatico.ca=20 href=3D"mailto:heather.drope@ns.sympatico.ca">Heather Drope</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> Wednesday, April 23, 2008 = 1:33=20 PM</DIV> <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> [NatureNS] migration = altitude=20 question</DIV> <DIV><BR></DIV>The son of a friend of mine was flying, not solo yet, = and he=20 and the <BR>instructor found themselves headed into a flock of white = birds at=20 an <BR>altitude of 3,000 feet. They dove to try and keep the damage to = minimum, <BR>which they did. They survived.<BR>The question is - do = different=20 species of birds fly at different altitudes <BR>when migrating? Is it = always=20 the same or what determines it?<BR>The next burning question is - do = birds=20 migrate at night in huge flocks?<BR>Hope someone can answer = these=20 questions... Heather D.</BLOCKQUOTE></BODY></HTML> ------=_NextPart_000_0020_01C8A604.9163B590--
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