[NatureNS] ID Assistance request (+ Sharp-shinned vs Cooper's id)

From: Don MacNeill <donmacneill@eastlink.ca>
To: naturens@chebucto.ns.ca
References: <20100113133139.0mu3h3dvtwwow0ww@my9.dal.ca>
Date: Sat, 16 Jan 2010 16:45:22 -0400
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Return-Path: <naturens-mml-owner@chebucto.ns.ca>
Original-Recipient: rfc822;"| (cd /csuite/info/Environment/FNSN/MList; /csuite/lib/arch2html)"

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And adults are easier to fool than children.  My son's wife is Croatian and 
I'll occasionally speak nonsense sounds to my 10 year old granddaughter. 
When I tell her that I have just been speaking Croatian, she replies "No 
it's not.  It's gibberish."

Don

Don MacNeill
donmacneill@eastlink.ca
----- Original Message ----- 
From: "Angus MacLean" <angusmcl@ns.sympatico.ca>
To: <naturens@chebucto.ns.ca>
Sent: Saturday, January 16, 2010 11:04 AM
Subject: Re: [NatureNS] ID Assistance request (+ Sharp-shinned vs Cooper's 
id)


Thanks, Don, for bringing that id feature to our attention. I
remember Fulton mentioning that too. This identifying mark is
especially useful in completing rare bird reports. The reviewer
either thinks you are far more learned than him/her or figures you
are somewhat short of a brick; in either case you will not receive
any of those (nasty) followups asking for more details!!
Angus

At 02:35 PM 13/01/2010, you wrote:
>I heard Fulton mention a theory that the suborphium of the upper plenicidae
>is longer on a Cooper's than a Sharp-shinned... or something like that.
>
>Don
>
>Don MacNeill
>donmacneill@eastlink.ca
>----- Original Message -----
>From: <iamclar@DAL.CA>
>To: <naturens@chebucto.ns.ca>
>Sent: Wednesday, January 13, 2010 1:31 PM
>Subject: Re: [NatureNS] ID Assistance request (+ Sharp-shinned vs Cooper's
>id)
>
>
>All:
>
>I thought I'd stay out of this, because the responders have it correct as 
>an
>adult Sharp-shinned Hawk, but the lingering concern about Cooper's needs to
>be
>dispelled. There is nothing about this bird that resembles Cooper's, adults
>of
>which have a longer head (making the eye seem more forward) often 
>displaying
>a
>bulging "hackle" at the nape. Also, they are distinctly dark-capped,
>contrasting with the pale gray nape. And, BTW, most images taken against a
>background sky or snow have the subject underexposed and too dark overall
>(and
>sometimes washed with cyan or blue), obscuring details. You should brighten
>such images in a photo editing program or brighten your screen. Brightening
>can lead to colour distortions, so should be used with care, but it's good
>for
>bringing out contrasts of plumage markings such as barring patterns and a
>contrastingly dark cap.
>
>Richard Stern is right about closed tails being less easy to interpret
>than open
>ones, but only from above. From below, Cooper's and Sharp-shinned are very
>different, and anyone obtaining photos of perched birds for diagnosis 
>should
>aim to get shots from below of the tail. (The broader white margin on the
>tail
>of Cooper's seldom useful, as it can be sullied and worn.)
>
>Cooper's tails are graduated, with the tail feathers thus from below:
>                                ______
>                                  ____))))
>                                ______))))
>
>Sharp-shinned tails are not, and thus:
>                                  _______
>                                  _______)
>                                  _______)
>
>  From above, only the longest outer tail feathers are seen, so this is of 
> no
>help.
>
>All best, Ian
>
>Ian McLaren
>
>Quoting Peter Payzant <pce@accesswave.ca>:
>
> >     Hi, all-
> >
> > A friend sent me some photos of a bird in his back yard and asked for
> > an ID. I'm very rusty and so I'm appealing to the collective wisdom of
> > NatureNS folk for assistance. Here are the photos:
> > http://www.pbase.com/ppayzant/id_request[1] .
> >
> > Thanks
> >
> > Peter Payzant
> >
> >
> >
> > Links:
> > ------
> > [1] http://www.pbase.com/ppayzant/id_request
> >



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