[wisb] Re: Black-legged Kittiwake?
- From: Ryan Brady <ryanbrady10@xxxxxxxxxxx>
- To: <pfissel@xxxxxxxxxxxxxxxx>, <bgsloan2@xxxxxxxxx>, <wisbirdn@xxxxxxxxxxxxx>
- Date: Sat, 15 Jan 2011 07:43:36 -0700
The black collar on first-cycle Black-legged Kittiwakes can be readily missed
depending on the distance, lighting, and angle of bird's flight. On the other
hand, many first-cycle Bonaparte's Gulls can show a dusky color that highly
resembles that of kittiwakes, especially earlier in fall, so this feature alone
is not entirely reliable.
Ryan Brady
Washburn, Bayfield County, WI
http://www.pbase.com/rbrady
> Date: Fri, 14 Jan 2011 20:20:03 -0600
> From: pfissel@xxxxxxxxxxxxxxxx
> Subject: [wisb] Re: Black-legged Kittiwake?
> To: bgsloan2@xxxxxxxxx; wisbirdn@xxxxxxxxxxxxx
>
> If I recall correctly, last winter's Port Washington BL Kittiwake had a neck
> collar that wasn't always very apparent. That bird was also there for what,
> three months at least, and went through some plumage changes during its stay.
>
> Peter Fissel
> Madison WI
>
> On 01/14/11, "B.G. Sloan" wrote:
> > Yesterday I reported a mystery gull. I described it as "Smallish, about the
> > size of the Scaups it was hanging out with. Black bill, some sootiness on
> > the sides of the head. I'm thinking probably Bonaparte's?"
> >
> > Off-list, someone suggested that I consider juvenile Black-legged
> > Kittiwake. The size makes sense, since it was the size of the Greater
> > Scaups it was hanging out with. My preliminary Bonaparte's ID bothered me a
> > bit because I sort of thought a Bonaparte's would be noticeably smaller
> > than a Scaup.
> >
> > I checked my Sibley, and his illustration of a first winter Black-legged
> > Kittiwake (p. 229) kind of looks like what I saw, EXCEPT that I don't
> > really recall seeing a black collar at the back of the neck. The caption on
> > one BNA Online photo of a first winter bird sort of hints that these birds
> > might not always have the dark collar: "Many often show a dark collar as
> > well".
> >
> > The bird I saw more resembles Sibley's illustration of a first summer bird,
> > except that the bill was all black. And it seems pretty late for a
> > first-summer plumaged bird.
> >
> > What's the likelihood of finding a first winter Black-legged Kittiwake with
> > no immediately obvious neck collar on Lake Michigan at this time of year?
> > Or a late first-summer plumaged bird?
> >
> > Just curious...
> >
> > Bernie Sloan
> > Milwaukee
> >
> >
> >
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>
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