[NatureNS] Too many kingfishers in Nova Scotia??

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From: Christopher Majka <c.majka@ns.sympatico.ca>
Date: Wed, 19 Dec 2007 17:37:35 -0400
To: naturens@chebucto.ns.ca
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Hi Lance,

On Dec 19, 2007, at 1:35 PM, Laviolette, Lance (EXP) wrote:

> Hi Elizabeth and others,
>
> The 'estimated' population for whatever region is being asked about  
> is based on the results of Breeding Bird Surveys (BBS). There are  
> about 30 in Nova Scotia I believe. 16,000 (individuals not pairs)  
> is not all that large an estimate for Belted Kingfishers really,  
> when you consider a species such as American Robin will get you an  
> estimated population of 3,000,000 for Nova Scotia. Also, it looks  
> to me as though the estimated number is +/-  %20.

The Atlas of Breeding Birds of the Maritimes Provinces gives a Nova  
Scotia population of Belted Kingfishers of 4,100 +/- 1,600 pairs and  
a Nova Scotia population of American Robins of 370,000 +/- 130,000  
pairs. If the above estimates you are referring to derive from BBS  
data then they are approximately 60% to high for kingfishers and 340%  
too high for robins.

>
> As far as the long term trend goes, you can go directly to the BBS  
> trend analysis page and have a look at the data. It is found at:
> http://www.mbr-pwrc.usgs.gov/bbs/trend/tf06.html
>
> Since we're talking about Belted Kingfishers, the trend in Nova  
> Scotia over the last 40 years is -4.67% (p=0.01)

The Atlas indicates that populations of both species seem to be stable.

Cheers,

Chris

>
> All the best,
>
> Lance
> ===========================
> Lance Laviolette
> Glen Robertson, Ontario
> lance.laviolette@lmco.com
> ===========================
>
>
> From: naturens-owner@chebucto.ns.ca [mailto:naturens- 
> owner@chebucto.ns.ca] On Behalf Of Elizabeth Doull
> Sent: Wednesday, December 19, 2007 10:59 AM
> To: naturens@chebucto.ns.ca
> Subject: [NatureNS] Too many kingfishers in Nova Scotia??
>
> Hi all,
>
> I was checking / deleting / sorting my old emails and came across  
> Peter  deWitt's enquiry, which went unanswered.  He was wondering  
> about 16,000 kingfishers in Nova Scotia. My opinion is that the  
> number is pretty too high.  If so, we'd see them everywhere just  
> like starlings!  Here is Peter's email dated on December 6th below:
> ...............
>
> December 6, 2007
>
> I recently entered a discussion on Kingfisher population in Nova  
> Scotia.
>
> Using the website here:
>
> http://www.rmbo.org/pif_db/laped/PED3.aspx
>
> There is a estimated 16,000 Belted Kingfishers in NS.
>
> Would anyone happen to know if there is more reliable estimates?  Is
> there comparisons of Belted Kingfisher populations in NS over the
> years?  Is the population thought to be declining or expanding now?
>
> Also, on the HRM website for the coat of arms, it says that the
> Kingfisher is there as a "symbol of industry", but I could not find
> out how or where it became a symbol of industry, or if other locations
> use it for the same symbolic purpose.   Any ideas?
>
>
> Cheers,
> Peter

Christopher Majka
Nova Scotia Museum, 1747 Summer St., Halifax, Nova Scotia, Canada   
B3H 3A6
c.majka@ns.sympatico.ca




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<html><body style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; =
-webkit-line-break: after-white-space; ">
Hi Lance,<div><br><div><div>On Dec 19, 2007, at 1:35 PM, Laviolette, =
Lance (EXP) wrote:</div><br =
class=3D"Apple-interchange-newline"><blockquote type=3D"cite"><span =
class=3D"Apple-style-span" style=3D"border-collapse: separate; color: =
rgb(0, 0, 0); font-family: 'Times New Roman'; font-size: 14px; =
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 dir=3D"ltr" =
align=3D"left"><span class=3D"087022117-19122007"><font face=3D"Arial" =
color=3D"#0000ff" size=3D"2">Hi Elizabeth and =
others,</font></span></div><div dir=3D"ltr" align=3D"left"><span =
class=3D"087022117-19122007"><font face=3D"Arial" color=3D"#0000ff" =
size=3D"2"></font></span>=A0</div><div dir=3D"ltr" align=3D"left"><span =
class=3D"087022117-19122007"><font face=3D"Arial" color=3D"#0000ff" =
size=3D"2">The 'estimated' population for whatever region is being asked =
about is based on the results of Breeding Bird Surveys (BBS). There =
are=A0about 30=A0in Nova Scotia I believe. 16,000 (individuals not =
pairs) is not all that large an estimate for Belted Kingfishers really, =
when you consider a species such as American Robin will get you an =
estimated population of 3,000,000 for Nova Scotia. Also, it looks to me =
as though the estimated number is +/-=A0 =
%20.</font></span></div></span></blockquote><div><br =
class=3D"webkit-block-placeholder"></div><div>The Atlas of Breeding =
Birds of the Maritimes Provinces gives a Nova Scotia population of =
Belted Kingfishers of 4,100 +/- 1,600 pairs and a=A0Nova Scotia =
population of American Robins of 370,000 +/- 130,000 pairs. If the above =
estimates you are referring to derive from BBS data then they are =
approximately 60% to high for kingfishers and 340% too high for =
robins.</div><div><br class=3D"webkit-block-placeholder"></div><blockquote=
 type=3D"cite"><span class=3D"Apple-style-span" style=3D"border-collapse: =
separate; color: rgb(0, 0, 0); font-family: 'Times New Roman'; =
font-size: 14px; 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 dir=3D"ltr" =
align=3D"left"><span class=3D"087022117-19122007"><font face=3D"Arial" =
color=3D"#0000ff" size=3D"2"></font></span>=A0</div><div dir=3D"ltr" =
align=3D"left"><span class=3D"087022117-19122007"><font face