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I had someone report Golden Eagles to me recently as well. He also used
"big" as a characteristic, as have other people who report Goldens on this
list.
1. Size is not the best field mark for identifying birds. For example, who
uses size to identify a crow versus a raven which is flying above you?
"Proportions" is different, but overall size is not one of the better marks.
Don't get me wrong, it "can" help, but it isn't great.
2. There is so much overlap in sizes between the two eagles that I think
size is a useless field mark. Here are the data from my most recent National
Geographic FG:
Overall length:
Golden - 76 - 102 cm
Bald - 79 - 94 cm
So yes, a Golden "can" be bigger, by as much as eight centimetres, but who's
going to judge 8 cm when the whole bird is ~ 100 cm, especially if it's not
up close and personal to you?
Wing span:
Golden - 203 - 224 cm
Bald - 178 - 229 cm
On average, the golden is bigger; but the larger wingspan actually belongs
to the bald.
To distinguish the two eagles, colouration is important (and seeing the
golden shimmer is not easy). Habitat - if the bird's near water, I'd be
suspicious...it's certainly not definitive, but here in NS...given the odds,
an immature bald is the likelier candidate. Balds tend to have larger
heads/beaks, which proportional to the rest of the bird, can be used (this
is one field mark I use to distinguish even moderately distant ravens from
crows). I'm sure others can contribute other field marks to help distinguish
the two.
Randy
_________________________________
RF Lauff
Way in the boonies of
Antigonish County, NS.
On 26 January 2011 10:56, Gayle MacLean <duartess2003@yahoo.ca> wrote:
>
>
> Hi All,
>
> Thought I should pass this report along. I have friends in Lower East
> Chezzetcook, who report a large 'golden' eagle type bird in and around th=
eir
> property and the Chezzetcook Inlet area.
> My friend said she got an 'up close & personal' good look at this (as she
> said) 'astonishing, almost frightening looking' BIG gold eagle, as it lan=
ded
> upon her closed over chicken coop, just above her head, as she was in
> feeding them, causing quite an uproar amongst her fowl which include a
> number of fancy duck breeds as well, not to mention a skip in her heartbe=
at
> too!.
>
> Gayle MacLean
> Dartmouth
>
> __._,_.___
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I had someone report Golden Eagles to me recently as well. He also used &qu=
ot;big" as a characteristic, as have other people who report Goldens o=
n this list.<div><br></div><div>1. Size is not the best field mark for iden=
tifying birds. For example, who uses size to identify a crow versus a raven=
which is flying above you? "Proportions" is different, but overa=
ll size is not one of the better marks. Don't get me wrong, it "ca=
n" help, but it isn't great.</div>
<div><br></div><div>2. There is so much overlap in sizes between the two ea=
gles that I think size is a useless field mark. Here are the data from my m=
ost recent National Geographic FG:</div><div><br></div><div>Overall length:=
</div>
<div><br></div><div>=A0=A0Golden - 76 - 102 cm</div><div>=A0=A0 =A0 =A0Bald=
- 79 - 94 cm</div><div><br></div><div>So yes, a Golden "can" be =
bigger, by as much as eight centimetres, but who's going to judge 8 cm =
when the whole bird is ~ 100 cm, especially if it's not up close and pe=
rsonal to you?</div>
<div><br></div><div>Wing span:</div><div><br></div><div>=A0=A0Golden - 203 =
- 224 cm</div><div>=A0=A0 =A0 =A0Bald - 178 - 229 cm</div><div><br></div><d=
iv>On average, the golden is bigger; but the larger wingspan actually belon=
gs to the bald.</div>
<div><br></div><div>To distinguish the two eagles, colouration is important=
(and seeing the golden shimmer is not easy). Habitat - if the bird's n=
ear water, I'd be suspicious...it's certainly not definitive, but h=
ere in NS...given the odds, an immature bald is the=A0likelier candidate.=
=A0Balds tend to have larger heads/beaks, which proportional to the rest of=
the bird, can be used (this is one field mark I use to distinguish even mo=
derately distant ravens from crows). I'm sure others can contribute oth=
er field marks to help distinguish the two.</div>
<div><br></div><div>Randy<br clear=3D"all">________________________________=
_<br>RF Lauff<br>Way in the boonies of<br>Antigonish County, NS.<br>
<br><br><div class=3D"gmail_quote">On 26 January 2011 10:56, Gayle MacLean =
<span dir=3D"ltr"><<a href=3D"mailto:duartess2003@yahoo.ca">duartess2003=
@yahoo.ca</a>></span> wrote:<br><blockquote class=3D"gmail_quote" style=
=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div style=3D"background-color:#fff">
<span>=A0</span>
<div>
<div>
<div>
=20=20=20=20=20=20
=20=20=20=20=20=20
<p></p><table cellspacing=3D"0" cellpadding=3D"0" border=3D"0"><tbody=
><tr><td valign=3D"top" style=3D"font:inherit"><div>Hi All,</div>
<div>=A0</div>
<div>Thought I should=A0pass this report along. I have friends in=A0Lower E=
ast Chezzetcook, who report a large 'golden' eagle type bird=A0in a=
nd around their property=A0and the Chezzetcook Inlet area. </div>
<div>My friend said she got an 'up close & personal' good look =
at this (as she said) 'astonishing, almost frightening=A0looking'=
=A0BIG gold=A0eagle, as it=A0landed upon her closed over chicken coop, just=
above her head, as she was in feeding them,=A0causing quite an uproar amon=
gst her fowl which include a number of fancy duck breeds as well, not to me=
ntion a skip in her heartbeat too!.</div>
<div>=A0</div>
<div>Gayle MacLean</div>
<div>Dartmouth</div></td></tr></tbody></table><br><p></p>
</div>
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