[CT Birds] Glastonbury

Mark Szantyr birdinggeek at gmail.com
Sat Mar 2 21:19:22 EST 2013



On Mar 2, 2013, at 8:24 PM, Arthur Shippee <ashippee at snet.net> wrote:

> Well, any one rarity is rare, but to have some member of the group of rarities might be very common. 

But its not.

> 
> E.g., let's say 1 bird lands on a post 40% of the time, and 60 other birds land there, 1% each.  Any one of those rarities would be rare -- but a rarity would be there well over half the time.  If you had to bet *on* one bird, bet on the 40%, but if you could bet *against* a bird, bet against the 40%.
> 
> So, I can imagine being surprised at the lack of any from the class of rarities.  Even though the presence of any particular one would be a surprise, the lack of any of the class could also be a surprise.

Birding in Connecticut will prove otherwise


> 
> Statistics is a strange field.

And truly can serve to obfuscate as well as elucidate. A double edged sword. 

> 
> On Mar 2, 2013, at 7:48 PM, Mark Szantyr wrote:
> 
>> Isn't that why they are called rarities?
>> 
>> Mark 
>> 
>> On Mar 2, 2013, at 7:26 PM, Bill Asteriades <bill.asteriades at gmail.com> wrote:
>> 
>>> Nice push of birds inland this past week. I had 28 species on a walk in
>>> Glastonbury last week vs. 40 today.  Best birds today were 5 Northern
>>> Pintails. Also, had at least 10,000 Canada Geese in the CT river and
>>> feeding in the corn fields, spread over a distance of a mile or so. Quite
>>> surprised there were no rarities.
>>> 
>>> Bill Asteriades
>>> South Glastonbury, CT
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>> 
>> _______________________________________________
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> 
> 
> _______________________________________________
> This list is provided by the Connecticut Ornithological Association (COA) for the discussion of birds and birding in Connecticut.
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