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--Boundary_(ID_/SSomh4CVo0wR+CxYSRD9Q) Content-type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Content-transfer-encoding: 7BIT Thanks, Andy! Note, however, that the overwintering areas in Mexico for the Monarch Butterflies is listed at 3200+ METRES and really should be shown at about 10,000 FEET to better fit into the whole table. Cheers from Jim in Wolfville Begin forwarded message: > From: Andy Dean <aadean@ns.sympatico.ca> > Date: April 24, 2008 12:13:12 PM ADT > To: naturens@chebucto.ns.ca > Subject: Re: [NatureNS] migration altitude question > Reply-To: naturens@chebucto.ns.ca > > 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 ----- > From: Heather Drope > To: naturens@chebucto.ns.ca > 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 > instructor found themselves headed into a flock of white birds at an > altitude of 3,000 feet. They dove to try and keep the damage to > minimum, > which they did. They survived. > The question is - do different species of birds fly at different > altitudes > 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. --Boundary_(ID_/SSomh4CVo0wR+CxYSRD9Q) Content-type: text/html; charset=ISO-8859-1 Content-transfer-encoding: quoted-printable <html><body style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; = -webkit-line-break: after-white-space; "> Thanks, Andy! =A0Note, however, that the overwintering areas in Mexico = for the Monarch Butterflies is listed at 3200+ METRES and really should = be shown at about 10,000 FEET to better fit into the whole table. = =A0<div><br></div><div>Cheers from Jim in = Wolfville<br><div><br><div>Begin forwarded message:</div><br = class=3D"Apple-interchange-newline"><blockquote type=3D"cite"><div = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; "><font face=3D"Helvetica" size=3D"3" color=3D"#000000" = style=3D"font: 12.0px Helvetica; color: #000000"><b>From: = </b></font><font face=3D"Helvetica" size=3D"3" style=3D"font: 12.0px = Helvetica">Andy Dean <<a = href=3D"mailto:aadean@ns.sympatico.ca">aadean@ns.sympatico.ca</a>></font><= /div><div style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: = 0px; margin-left: 0px; "><font face=3D"Helvetica" size=3D"3" = color=3D"#000000" style=3D"font: 12.0px Helvetica; color: = #000000"><b>Date: </b></font><font face=3D"Helvetica" size=3D"3" = style=3D"font: 12.0px Helvetica">April 24, 2008 12:13:12 PM = ADT</font></div><div style=3D"margin-top: 0px; margin-right: 0px; = margin-bottom: 0px; margin-left: 0px; "><font face=3D"Helvetica" = size=3D"3" color=3D"#000000" style=3D"font: 12.0px Helvetica; color: = #000000"><b>To: </b></font><font face=3D"Helvetica" size=3D"3" = style=3D"font: 12.0px Helvetica"><a = href=3D"mailto:naturens@chebucto.ns.ca">naturens@chebucto.ns.ca</a></font>= </div><div style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: = 0px; margin-left: 0px; "><font face=3D"Helvetica" size=3D"3" = color=3D"#000000" style=3D"font: 12.0px Helvetica; color: = #000000"><b>Subject: </b></font><font face=3D"Helvetica" size=3D"3" = style=3D"font: 12.0px Helvetica"><b>Re: [NatureNS] migration altitude = question</b></font></div><div style=3D"margin-top: 0px; margin-right: = 0px; margin-bottom: 0px; margin-left: 0px; "><font face=3D"Helvetica" = size=3D"3" color=3D"#000000" style=3D"font: 12.0px Helvetica; color: = #000000"><b>Reply-To: </b></font><font face=3D"Helvetica" size=3D"3" = style=3D"font: 12.0px Helvetica"><a = href=3D"mailto:naturens@chebucto.ns.ca">naturens@chebucto.ns.ca</a></font>= </div><div style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: = 0px; margin-left: 0px; min-height: 14px; "><br></div> <span = class=3D"Apple-style-span" style=3D"border-collapse: separate; color: = rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: = normal; font-variant: normal; font-weight: normal; letter-spacing: = normal; line-height: normal; orphans: 2; text-align: auto; text-indent: = 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: = 0px; -webkit-border-horizontal-spacing: 0px; = -webkit-border-vertical-spacing: 0px; = -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: = auto; -webkit-text-stroke-width: 0; "><div><font face=3D"Arial" = size=3D"2">Hi Heather,</font></div><div><font face=3D"Arial" = size=3D"2">You may find this site interesting;</font></div><div><font = face=3D"Arial" size=3D"2"><a = href=3D"http://www.learner.org/jnorth/tm/AltitudeComparisons.html">http://= www.learner.org/jnorth/tm/AltitudeComparisons.html</a></font></div><div><f= ont face=3D"Arial" size=3D"2"></font>=A0</div><div><font face=3D"Arial" = size=3D"2">I don't know the answer to your first two questions but = regarding migrating at night....this is=A0 very common, in fact the vast = majority of migration goes on at night.</font></div><div><font = face=3D"Arial" size=3D"2">A very detailed and fascinating study of bird = migration [ close to 400 pages long ] is the book "=A0Living On The = Wind" by Scott Weidensaul"</font></div><div><font face=3D"Arial" = size=3D"2"></font>=A0</div><div><font face=3D"Arial" size=3D"2">Andy = & Lelia Dean<br>86 Baden Powell Drive<br>Kentville, NS. Canada. B4N = 5P5<br>Tel: [902] 678-6243</font></div><div>=A0</div><div><font = face=3D"Arial" size=3D"2"><a = href=3D"mailto:aadean@ns.sympatico.ca">aadean@ns.sympatico.ca</a></font></= div><blockquote style=3D"padding-right: 0px; padding-left: 5px; = margin-left: 5px; border-left-color: rgb(0, 0, 0); border-left-width: = 2px; border-left-style: solid; margin-right: 0px; "><div style=3D"font: = normal normal normal 10pt/normal arial; ">----- Original Message = -----</div><div style=3D"background-image: initial; background-repeat: = initial; background-attachment: initial; -webkit-background-clip: = initial; -webkit-background-origin: initial; background-color: rgb(228, = 228, 228); font: normal normal normal 10pt/normal arial; = background-position: initial initial; "><b>From:</b><span = class=3D"Apple-converted-space">=A0</span><a = title=3D"heather.drope@ns.sympatico.ca" = href=3D"mailto:heather.drope@ns.sympatico.ca">Heather = Drope</a></div><div style=3D"font: normal normal normal 10pt/normal = arial; "><b>To:</b><span class=3D"Apple-converted-space">=A0</span><a = title=3D"naturens@chebucto.ns.ca" = href=3D"mailto:naturens@chebucto.ns.ca">naturens@chebucto.ns.ca</a></div><= div style=3D"font: normal normal normal 10pt/normal arial; = "><b>Sent:</b><span class=3D"Apple-converted-space">=A0</span>Wednesday, = April 23, 2008 1:33 PM</div><div style=3D"font: normal normal normal = 10pt/normal arial; "><b>Subject:</b><span = class=3D"Apple-converted-space">=A0</span>[NatureNS] migration altitude = question</div><div><br></div>The son of a friend of mine was flying, not = solo yet, and he and the<span = class=3D"Apple-converted-space">=A0</span><br>instructor found = themselves headed into a flock of white birds at an<span = class=3D"Apple-converted-space">=A0</span><br>altitude of 3,000 feet. = They dove to try and keep the damage to minimum,<span = class=3D"Apple-converted-space">=A0</span><br>which they did. They = survived.<br>The question is - do different species of birds fly at = different altitudes<span class=3D"Apple-converted-space">=A0</span><br>whe= n migrating? Is it always the same or what determines it?<br>The next = burning question is - do birds migrate at=A0 night in huge = flocks?<br>Hope someone can answer these questions... Heather = D.</blockquote></span></blockquote></div><br></div></body></html>= --Boundary_(ID_/SSomh4CVo0wR+CxYSRD9Q)--
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