[NatureNS] belted kingfisher story

Date: Thu, 03 Jan 2008 00:48:45 -0400
From: dowitcher <dowitcher@eastlink.ca>
To: naturens@chebucto.ns.ca
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could there be  100 ,1000 etc i have not encountered
    no
----- Original Message ----- 
From: "David & Alison Webster" <dwebster@glinx.com>
To: <naturens@chebucto.ns.ca>
Sent: Wednesday, January 02, 2008 9:46 PM
Subject: Re: [NatureNS] belted kingfisher story


> Hi Murray & All,            Jan 2, 2008
>    I agree one must be wary of accepting any measure of a wild 
> population as a fact and +- figures convey no information if the 
> variance measure (e.g. standard deviation, standard error, 95% 
> confidence limits) is not specified.
> 
>    But-- the two estimates, obtained apparently by somewhat different 
> methods, of 16,000 KF (-4.67 % trend over 40 years) as compared to 4,100 
> pairs (no change over 4 centuries) are remarkably similar. Note also 
> that no change over 400 years does not conflict with a modest decline 
> over 40 years. This of course does not demonstrate that either of these 
> estimates is close to being realistic.
> 
>    But with respect to your 50 pairs in three counties, have you really 
> bushwacked every potential lake edge, pond, run and stillwater in these 
> three counties ? If not then could there be 100, or 1000 or 3000 pairs 
> that you have not encountered ?
> 
> A belated Happy New Year, Dave Webster, Kentville
> 
> dowitcher wrote:
> 
>> reading all the stuff on the thousands of belted
>>
>>  kingfishers in nova scotia,i find it very hard to believe the stats.
>>
>>   a matter of fack i dont.
>>
>>  i done a lot of birding in yarmouth ,digby and shelburne counties 
>> over the years and i know where 99 .9 per cent
>>
>>  of them are each year.
>>
>>  we at down and counted them up today and could not come up with 50 
>> pair for the three counties total.
>>
>>    now if you was to believe those stats i read about
>>
>> they must be hanging like grapes every where else.
>>
>>    brrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr
>>
>> Murray R Newell
>>   Cape Sable Island
>>     Nova Scotia
>>
>

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