next message in archive
next message in thread
previous message in archive
previous message in thread
Index of Subjects
Index of Subjects --1124294693-62259342-1352544259=:6356 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable These two are of the tan-striped (drab) variety so it sounds likely it is a= juvenile being fed given what you said about pairing preferences.=0A=0AWhe= n do these sparrows come into their final adult plumage that determines mat= e choice?=A0 And does this mean that most populations are equally divided a= mong bright and drab birds? Is the final color a bird develops influenced b= y the local population color dynamics or genetically hard-wired? iBird tell= s me these sparrows are monogamous.=0A=0AIf someone knows of some interesti= ng easily accessed articles about the above please send along the info.=0A= =0AThanks, Nancy=0A=0A=0A=0A=0A=0A________________________________=0A From:= James W. Wolford <jimwolford@eastlink.ca>=0ATo: NatureNS <naturens@chebuct= o.ns.ca> =0ASent: Friday, November 9, 2012 9:48:08 PM=0ASubject: [NatureNS]= white-throated sparrows=0A =0A=0AAgreed re feeding a juvenile, but could s= ome courtship be going on? (not likely?) -- drab-plumaged birds pair up wit= h bright-plumaged birds in this species, and the drabness/brightness is not= linked with femaleness/maleness, respectively. =A0Comments? =A0Cheers from= Jim, still in central B.C. for a while longer.=0A=0A=0A=0ABegin forwarded = message:=0A=0AFrom: Nancy Dowd <nancydowd318@yahoo.ca>=0A>Date: November 9,= 2012 11:21:20 AM AST=0A>To: naturens <naturens@chebucto.ns.ca>=0A>Subject:= [NatureNS] white-throated sparrows=0A>Reply-To: naturens@chebucto.ns.ca=0A= >=0A>=0A>There are a couple of White-Throated Sparrows at my parents' feede= r in Bridgewater. One must be immature and is being fed by the other. Seems= kind of late to be still feeding the kids.=0A> --1124294693-62259342-1352544259=:6356 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable <html><body><div style=3D"color:#000; background-color:#fff; font-family:ti= mes new roman, new york, times, serif;font-size:12pt"><div><span>These two = are of the tan-striped (drab) variety so it sounds likely it is a juvenile = being fed given what you said about pairing preferences.</span></div><div s= tyle=3D"color: rgb(0, 0, 0); font-size: 16px; font-family: times new roman,= new york,times,serif; background-color: transparent; font-style: normal;"><= br><span></span></div><div style=3D"color: rgb(0, 0, 0); font-size: 16px; f= ont-family: times new roman,new york,times,serif; background-color: transpa= rent; font-style: normal;"><span>When do these sparrows come into their fin= al adult plumage that determines mate choice? And does this mean that= most populations are equally divided among bright and drab birds? Is the f= inal color a bird develops influenced by the local population color dynamic= s or genetically hard-wired? iBird tells me these sparrows are monogamous.</span></div><div style=3D"color: rgb(0, 0, 0); font-size: 16px= ; font-family: times new roman,new york,times,serif; background-color: tran= sparent; font-style: normal;"><br><span></span></div><div style=3D"color: r= gb(0, 0, 0); font-size: 16px; font-family: times new roman,new york,times,s= erif; background-color: transparent; font-style: normal;"><span>If someone = knows of some interesting easily accessed articles about the above please s= end along the info.</span></div><div style=3D"color: rgb(0, 0, 0); font-siz= e: 16px; font-family: times new roman,new york,times,serif; background-colo= r: transparent; font-style: normal;"><br><span></span></div><div style=3D"c= olor: rgb(0, 0, 0); font-size: 16px; font-family: times new roman,new york,= times,serif; background-color: transparent; font-style: normal;"><span>Than= ks, Nancy<br></span></div><div style=3D"color: rgb(0, 0, 0); font-size: 16p= x; font-family: times new roman,new york,times,serif; background-color: transparent; font-style: normal;"><br><span></span></div><div><span></span= ></div><div><br></div> <div style=3D"font-family: times new roman, new yor= k, times, serif; font-size: 12pt;"> <div style=3D"font-family: times new ro= man, new york, times, serif; font-size: 12pt;"> <div dir=3D"ltr"> <font fac= e=3D"Arial" size=3D"2"> <hr size=3D"1"> <b><span style=3D"font-weight:bold= ;">From:</span></b> James W. Wolford <jimwolford@eastlink.ca><br> <b>= <span style=3D"font-weight: bold;">To:</span></b> NatureNS <naturens@che= bucto.ns.ca> <br> <b><span style=3D"font-weight: bold;">Sent:</span></b>= Friday, November 9, 2012 9:48:08 PM<br> <b><span style=3D"font-weight: bol= d;">Subject:</span></b> [NatureNS] white-throated sparrows<br> </font> </di= v> <br><div id=3D"yiv505234088"><div>=0AAgreed re feeding a juvenile, but c= ould some courtship be going on? (not likely?) -- drab-plumaged birds pair = up with bright-plumaged birds in this species, and the drabness/brightness = is not linked with femaleness/maleness, respectively. Comments?  = ;Cheers from Jim, still in central B.C. for a while longer.<br><div><br><di= v>Begin forwarded message:</div><br class=3D"yiv505234088Apple-interchange-= newline"><blockquote type=3D"cite"><div style=3D"margin-top:0px;margin-righ= t:0px;margin-bottom:0px;margin-left:0px;"><font style=3D"font:12.0px Helvet= ica;color:#000000;" color=3D"#000000" size=3D"3"><b>From: </b></font><font = style=3D"font:12.0px Helvetica;" size=3D"3">Nancy Dowd <<a rel=3D"nofoll= ow" ymailto=3D"mailto:nancydowd318@yahoo.ca" target=3D"_blank" href=3D"mail= to:nancydowd318@yahoo.ca">nancydowd318@yahoo.ca</a>></font></div><div st= yle=3D"margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;">= <font style=3D"font:12.0px Helvetica;color:#000000;" color=3D"#000000" size=3D"3"><b>Date: </b></font><font style=3D"font:12.0p= x Helvetica;" size=3D"3">November 9, 2012 11:21:20 AM AST</font></div><div = style=3D"margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;= "><font style=3D"font:12.0px Helvetica;color:#000000;" color=3D"#000000" si= ze=3D"3"><b>To: </b></font><font