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--Apple-Mail-15-277201600 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Another interesting point concerning the red-breasted nuthatch lining the hole with coniferous pitch, is the consequence that any adult that wishes to enter the nest-cavity must do so by flying in! I wonder if anyone has tried to film this or figure out what sorts of manoeuvering are required into order to survive such an injection?! Cheers from Jim. Begin forwarded message: > From: Andrew Horn <aghorn@dal.ca> > Date: April 29, 2013 6:00:52 PM ADT > To: naturens@chebucto.ns.ca > Subject: Re: [NatureNS] re behaviour of nesting WB Nuthatches > Reply-To: naturens@chebucto.ns.ca > > Hi Jim et al., > > White-breasted Nuthatches do indeed sweep their nest holes with a > beetle. As far as I know, no one really knows why. It might be to > deter other birds, predators, or parasites (lots of beetles contain > noxious chemicals). > > European and some other Old World nuthatches narrow the entrance of > their nest hole with mud, maybe to keep out other cavity-nesting > birds, and Red-breasted Nuthatches line the entrance with pitch > from coniferous trees, again for unknown reasons. > > There's a video of the European Nuthatch plastering its nest hole > at this site -- quite neat, but I'll warn you that the video takes > ages to load: http://ibc.lynxeds.com/video/eurasian-nuthatch-sitta- > europaea/female-plastering-nest-entrance > > Cheers, > Andy Horn > Halifax > > On Apr 29, 2013, at 4:08 PM, James W. Wolford wrote: > >> >>> Subject: [ValleyNature] re behaviour of nesting WB Nuthatches >>> >>> Thanks for your note, Bernice & Bill! Is it the Cambridge area >>> where you live? (nw. of Coldbrook?). I will send your note and >>> questions to our two lists of naturalists for feedback on your >>> interesting observations. Glad you have some white-breasts >>> back! Cheers from Jim, in B.C. for another 10 days or so. >>> >>> Begin forwarded message: >>> >>>> From: The Naylors <bbnaylor@ns.sympatico.ca> >>>> Date: April 29, 2013 12:40:39 PM ADT >>>> To: "James W. Wolford" <jimwolford@eastlink.ca> >>>> Subject: WB nuthatches >>>> >>>> Hi >>>> >>>> Approx 6 years ago a pair of wb nuthatches raised 6 young in a >>>> bird house in our back yard. We got to see them fledge at that >>>> time. The box has not been used by anyone since. This year >>>> another pair of the WBN are back at it and are very busy. One >>>> bird (I'm presunming the female. Maybe I'm being politically >>>> incorrect here!) is very busy rubbing a black thing back and >>>> forth over the outside of the box, including the top where he/ >>>> she is removing the lichen that has built up. Odd behaviour? >>>> >>>> Bernice Naylor >>>> >>>> PS: Bill has just read that this bird will sometimes rub a >>>> noxious smelling bug to deter other birds, etc from getting into >>>> the nest. Possible answer? Interesting behaviour to watch. >>>> She/he has been at it for most of the morning. >>> >>> _______________________________________________ >>> Nature mailing list >>> Nature@blomidonnaturalists.ca >>> http://blomidonnaturalists.ca/mailman/listinfo/ >>> nature_blomidonnaturalists.ca >> > --Apple-Mail-15-277201600 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=US-ASCII <html><body style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; = -webkit-line-break: after-white-space; "> Another interesting point concerning the red-breasted nuthatch lining = the hole with coniferous pitch, is the consequence that any adult that = wishes to enter the nest-cavity must do so by flying in! I wonder = if anyone has tried to film this or figure out what sorts of = manoeuvering are required into order to survive such an injection?! = Cheers from Jim.<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">Andrew Horn <<a = href=3D"mailto:aghorn@dal.ca">aghorn@dal.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 29, 2013 6:00:52 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] re behaviour of = nesting WB Nuthatches</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> Hi Jim et = al.,<div><br></div><div>White-breasted Nuthatches do indeed sweep their = nest holes with a beetle. As far as I know, no one really knows why. It = might be to deter other birds, predators, or parasites (lots of beetles = contain noxious chemicals).</div><div><br></div><div>European and some = other Old World nuthatches narrow the entrance of their nest hole with = mud, maybe to keep out other cavity-nesting birds, and Red-breasted = Nuthatches line the entrance with pitch from coniferous trees, again for = unknown reasons.</div><div><br></div><div>There's a video of the = European Nuthatch plastering its nest hole at this site -- quite neat, = but I'll warn you that the video takes ages to load: <a = href=3D"http://ibc.lynxeds.com/video/eurasian-nuthatch-sitta-europaea/fema= le-plastering-nest-entrance">http://ibc.lynxeds.com/video/eurasian-nuthatc= h-sitta-europaea/female-plastering-nest-entrance</a></div><div><br></div><= div>Cheers,</div><div>Andy = Horn</div><div>Halifax</div><div><br><div><div>On Apr 29, 2013, at 4:08 = PM, James W. Wolford wrote:</div><br = class=3D"Apple-interchange-newline"><blockquote type=3D"cite"><div = style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; = -webkit-line-break: after-white-space; "><br><div><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>Subject: </b></font><font face=3D"Helvetica" size=3D"3" = style=3D"font: 12.0px Helvetica"><b>[ValleyNature] re behaviour of = nesting WB Nuthatches</b></font></div><div style=3D"margin-top: 0px; = margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: = 14px; "><br></div> Thanks for your note, Bernice & Bill! Is = it the Cambridge area where you live? (nw. of Coldbrook?). I will = send your note and questions to our two lists of naturalists for = feedback on your interesting observations. Glad you have some = white-breasts back! Cheers from Jim, in B.C. for another 10 days = or so.<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">The Naylors <<a = href=3D"mailto:bbnaylor@ns.sympatico.ca">bbnaylor@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 29, 2013 12:40:39 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">"James W. Wolford" <<a = href=3D"mailto:jimwolford@eastlink.ca">jimwolford@eastlink.ca</a>></fon= t></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>WB nuthatches</b></font></div><div = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; min-height: 14px; "><br></div> <div><font size=3D"2" = face=3D"Arial">Hi</font></div><div><font size=3D"2" = face=3D"Arial"></font> </div><div><font size=3D"2" = face=3D"Arial">Approx 6 years ago a pair of wb nuthatches raised 6 young = in a bird house in our back yard. We got to see them fledge at = that time. The box has not been used by anyone since. This = year another pair of the WBN are back at it and are very busy. One = bird (I'm presunming the female. Maybe I'm being politically incorrect = here!) is very busy rubbing a black thing back and forth over the = outside of the box, including the top where he/she is removing the = lichen that has built up. Odd behaviour?</font></div><div><font = size=3D"2" face=3D"Arial"></font> </div><div><font size=3D"2" = face=3D"Arial">Bernice Naylor</font></div><div><font size=3D"2" = face=3D"Arial"></font> </div><div><font size=3D"2" = face=3D"Arial">PS: Bill has just read that this bird will = sometimes rub a noxious smelling bug to deter other birds, etc from = getting into the nest. Possible answer? Interesting = behaviour to watch. She/he has been at it for most of the = morning. </font></div></blockquote></div><br><div = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; = ">_______________________________________________</div><div = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; ">Nature mailing list</div><div style=3D"margin-top: = 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><a = href=3D"mailto:Nature@blomidonnaturalists.ca">Nature@blomidonnaturalists.c= a</a></div><div style=3D"margin-top: 0px; margin-right: 0px; = margin-bottom: 0px; margin-left: 0px; "><a = href=3D"http://blomidonnaturalists.ca/mailman/listinfo/nature_blomidonnatu= ralists.ca">http://blomidonnaturalists.ca/mailman/listinfo/nature_blomidon= naturalists.ca</a></div> = </blockquote></div><br></div></blockquote></div><br></div></blockquote></d= iv><br></body></html>= --Apple-Mail-15-277201600--
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