[NatureNS] re predators of crows - Great Horned Owl?

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Cc: Randy Milton <miltongr@gov.ns.ca>
From: "James W. Wolford" <jimwolford@eastlink.ca>
Date: Mon, 21 Feb 2011 17:24:18 -0400
To: NatureNS <naturens@chebucto.ns.ca>
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I think I may have commented already about mobbed barred owls  
occasionally getting a meal of a  too-careless crow (and perhaps in  
crow roosts like gr. horned owls?); also peregrine falcons were take  
crows and possibly red-tailed hawks also do this on occasion?

Cheers from Jim in Wolfville

Begin forwarded message:

> From: Rosemary G <mountainchickadee@hotmail.com>
> Date: February 14, 2011 9:20:25 PM AST
> To: NatureNS <naturens@chebucto.ns.ca>
> Subject: FW: [NatureNS] Murder Mystery on the Roof - Great Horned Owl?
> Reply-To: naturens@chebucto.ns.ca
>
> I am forwarding a response from Bev Wigney (below) to my inquiry  
> about what bird of prey might have killed a crow on the garage roof  
> recently.  She, like others, has had trouble getting posts to go  
> through successfully to NatureNS.  Thank you to all who responded!
>
> Rosemary Gallinger
>
> From: bkwigney@gmail.com
> Subject: Re: [NatureNS] Murder Mystery on the Roof - Great Horned Owl?
> Date: Sun, 13 Feb 2011 19:30:30 -0700
> To: mountainchickadee@hotmail.com
>
> Hi Rosemary,
>
> For some reason, my posts to NatureNS never work anymore or I would  
> just reply to you there.  Here's an answer to your "owls and crows"  
> question.  Please feel free to post this to the naturelist if you  
> wish:
>
> According to this page from the birds.cornell.edu "Crow FAQ"- one  
> reason that crows roost in urban areas:
> http://www.birds.cornell.edu/crows/crowfaq.htm
>
> b) Great Horned Owl (Bubo virginianus) populations should be lower  
> in urban areas. Next to people with guns, Great Horned Owls pose  
> the largest danger to an adult crow. Great Horned Owls take adults  
> as well as nestling crows with great regularity. (That is why crows  
> hate them so much!) Owls probably are regular attendants at crow  
> roosts, as owls wake up as the crows are heading into the roosts,  
> and sleeping crows should be pretty easy picking.
>
>
> regards,
> bev wigney
>
>
>
> On 2011-02-13, at 7:09 PM, Rosemary G wrote:
>
> With regard to my question of what bird of prey might have killed a  
> crow on the garage roof this morning...the answer Great Horned  
> Owl...fascinated me.  I had not thought of that possibility.  This  
> yard is certainly perfect for owls....lots of large pine trees.   
> Has anyone on NatureNS witnessed Great Horned Owls taking crows?   
> Are there hawks here that will also capture and eat crows?
>
> Rosemary Gallinger
>
>
>
>
>


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<html><body style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; =
-webkit-line-break: after-white-space; ">
I think I may have commented already about mobbed barred owls =
occasionally getting a meal of a &nbsp;too-careless crow (and perhaps in =
crow roosts like gr. horned owls?); also peregrine falcons were take =
crows and possibly red-tailed hawks also do this on =
occasion?<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">Rosemary G &lt;<a =
href=3D"mailto:mountainchickadee@hotmail.com">mountainchickadee@hotmail.co=
m</a>&gt;</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">February 14, 2011 9:20:25 PM =
AST</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">NatureNS &lt;<a =
href=3D"mailto:naturens@chebucto.ns.ca">naturens@chebucto.ns.ca</a>&gt;</f=
ont></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>FW: [NatureNS] Murder Mystery on the =
Roof - Great Horned Owl?</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-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: 0px; font-size: medium; "><span =
class=3D"Apple-style-span" style=3D"font-family: Tahoma; font-size: =
13px; ">I am forwarding a response from Bev Wigney (below) to my inquiry =
about what bird of prey might have killed a crow on the garage roof =
recently.&nbsp; She, like others, has had trouble getting posts to go =
through successfully to NatureNS.&nbsp; Thank you to all who =
responded!<br><br>Rosemary Gallinger<br><br><hr id=3D"stopSpelling">From: =
bkwigney@gmail.com<br>Subject: =
Re: [NatureNS] Murder Mystery on the Roof - Great Horned Owl?<br>Date: =
Sun, 13 Feb 2011 19:30:30 -0700<br>To: <a =
href=3D"mailto:mountainchickadee@hotmail.com">mountainchickadee@hotmail.co=
m</a><br><br>Hi Rosemary,<div><br></div><div>For some reason, my posts =
to NatureNS never work anymore or I would just reply to you there. =
&nbsp;Here's an answer to your "owls and crows" question. &nbsp;Please =
feel free to post this to the naturelist if you =
wish:</div><div><br></div><div>According to this page from the<span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"http://birds.cornell.edu" =
target=3D"_blank">birds.cornell.edu</a><span =
class=3D"Apple-converted-space">&nbsp;</span>"Crow FAQ"- one reason that =
crows roost in urban areas:&nbsp;<div><a =
href=3D"http://www.birds.cornell.edu/crows/crowfaq.htm" =
target=3D"_blank">http://www.birds.cornell.edu/crows/crowfaq.htm</a></div>=
<div><br></div><div><font face=3D"Arial"><font face=3D"Arial">b) Great =
Horned Owl (<em>Bubo virginianus</em>) populations should be lower in =
urban areas. Next to people with guns, Great Horned Owls pose the =
largest danger to an adult crow. Great Horned Owls take adults as well =
as nestling crows with great regularity. (That is why crows hate them so =
much!) Owls probably are regular attendants at crow roosts, as owls wake =
up as the crows are heading into the roosts, and sleeping crows should =
be pretty easy picking.</font></font></div><div><font face=3D"Arial"><font=
 face=3D"Arial"><br></font></font></div><div><font face=3D"Arial"><font =
face=3D"Arial"><br></font></font></div><div><font face=3D"Arial"><font =
face=3D"Arial">regards,</font></font></div><div><font face=3D"Arial"><font=
 face=3D"Arial">bev wigney</font></font></div><div><font =
face=3D"Arial"><font face=3D"Arial"><br></font></font></div><div><font =
face=3D"Arial"><font face=3D"Arial"><br></font></font></div><div><font =
face=3D"Arial"><font face=3D"Arial"><br></font></font></div><div><div>On =
2011-02-13, at 7:09 PM, Rosemary G wrote:</div><br =
class=3D"ecxApple-interchange-newline"><blockquote><span =
class=3D"ecxApple-style-span" style=3D"border-collapse: separate; =
font-family: Helvetica; font-style: normal; font-variant: normal; =
font-weight: normal; letter-spacing: normal; line-height: normal; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; font-size: medium; "><div class=3D"ecxhmmessage" =
style=3D"font-size: 10pt; font-family: Tahoma; ">With regard to my =
question of what bird of prey might have killed a crow on the garage =
roof this morning...the answer Great Horned Owl...fascinated me.&nbsp; I =
had not thought of that possibility.&nbsp; This yard is certainly =
perfect for owls....lots of large pine trees.&nbsp; Has anyone on =
NatureNS witnessed Great Horned Owls taking crows?&nbsp; Are there hawks =
here that will also capture and eat crows?<br><br>Rosemary =
Gallinger<br><br><hr id=3D"ecxstopSpelling"><span style=3D"font-size: =
11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); =
"></span><span style=3D"font-size: 11pt; font-family: Calibri, =
sans-serif; color: rgb(31, 73, 125); "></span><b><span lang=3D"EN-US" =
style=3D"font-size: 10pt; font-family: Tahoma, sans-serif; =
"></span></b><div class=3D"ecxWordSection1"><div style=3D"margin-right: =
0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; =
padding-right: 0px; padding-bottom: 0px; padding-left: 0px; "><span =
style=3D"font-size: 10pt; font-family: Tahoma, sans-serif; =
"><br></span></div></div></div></span><br =
class=3D"ecxApple-interchange-newline"></blockquote></div><br></div></span=
></span><br =
class=3D"Apple-interchange-newline"></blockquote></div><br></div></body></=
html>=

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