Date: 9/16/17 4:31 pm
From: Austin Jones <jonesa97...>
Subject: [wisb] Re: Lake Barney Fall Sparrows
Hi all,
When birding Lake Barney, how do you access/what is the best area for
observing sparrows?

This morning I went by and wasn't sure, so I drove down an access road east
of the lake that appeared to head back towards the lake. I wasn't sure
whether this road was public or not.

I didn't get a chance to walk around and explore, but I did happen to see a
Peregrine catch what appeared to be a Kildeer on the flooded field. I was
initially wondering why the geese, doves, pigeons, gulls, and shorebirds
were all flying away at once -- and quickly realized who the culprit was.

Austin

On Fri, Sep 15, 2017 at 17:19 Tom Wood <tcwood729...> wrote:

> I think many of us (me included) use the term "juvenile" a bit too loosely.
> Technically a bird is a juvenile from the time it acquires its first
> plumage
> after hatching until it acquires basic plumage.
> The description of the molt of LeConte's Sparrow in "Birds of North
> America"
> is actually quite complex, indicating that it undergoes a partial molt as
> early as September on the breeding grounds and extending into October and
> November on the wintering grounds.
> This partial molt does not include the primaries and secondaries or tail
> feathers, but does include body plumage. Thus, the birds we see in
> migration
> can be in a transition state between juvenile and basic plumage.
> The following is a brief summary of juvenile plumage from "Birds of North
> America" :
>
> "Juvenile LeConte's Sparrows are superficially similar to adults. Buff on
> face, throat, and breast is duller, crown stripe with buff, nape buffy,
> almost unstreaked, and breast with fine streaking."
>
> I guess we are lucky that the streaking on the nape shows up in the photos
> that have been presented. An ominous warning appears in BNA's description
> of
> juvenile plumage:
>
> "Sufficiently similar to Nelson's Sharp-tailed Sparrow that some
> descriptions of Juvenile-plumaged Nelson's Sharp-tailed Sparrow were
> actually based on a juvenile LeConte's Sparrow specimen."
>
> This emphasizes Steve's point about the difficulty in trying to identify
> these young sparrows.
> Thomas Wood, Menomonee Falls, Waukesha County
>
>
> -----Original Message-----
> From: <wisbirdn-bounce...> [mailto:<wisbirdn-bounce...>]
> On Behalf Of Kenneth Younger
> Sent: Friday, September 15, 2017 4:42 PM
> To: <gseegert...>
> Cc: Thomas Wood; <trschultz...>; <Wisbirdn...>
> Subject: [wisb] Re: Lake Barney Fall Sparrows
>
> Sibley's guide has a differentiated sketch for the juvenile. Generally less
> bold and crisp, more buffy in the belly than white. More buffy overall than
> orange. He also notes "broad, pale stripes" on the back, but the line from
> that text is pointing to the dark stripes on the illustration. Odd.
> -Kenny
>
> On Sep 15, 2017 4:22 PM, "Seegert, Greg" <gseegert...> wrote:
>
> > Tom S
> > Thanks for weighing in on this ID. It's not a form I recall seeing
> before.
> >
> > I think sparrows breed the year after they are born. If that is true,
> > is there any difference between a juvenile and an immature LeConte's
> sparrow?
> > If there is could someone explain the difference?
> >
> > Greg Seegert
> > Beaver Dam
> >
> > -----Original Message-----
> > From: <wisbirdn-bounce...>
> > [mailto:<wisbirdn-bounce...>]
> > On Behalf Of Tom Schultz
> > Sent: Friday, September 15, 2017 1:50 PM
> > To: <tcwood729...>; <Wisbirdn...>
> > Subject: [wisb] Re: Lake Barney Fall Sparrows
> >
> > I also agree with the ID as LeConte's Sparrow -- a juvenile or immature.
> > This seems to be a plumage that isn't often documented/photographed
> > for this species.
> >
> > Tom Schultz
> > Green Lake Co.
> >
> > -----Original Message-----
> > From: Tom Wood
> > Sent: Friday, September 15, 2017 1:26 PM
> > To: <Wisbirdn...>
> > Subject: [wisb] Re: Lake Barney Fall Sparrows
> >
> > I agree with Le Conte's, Kris. The orange face, gray auriculars, and
> > small bill narrow it down to either Le Conte's or Nelson's Sparrows.
> > Since Nelson's would have a plain gray nape and dark gray median crown
> > stripe, and the bird you photographed has many spots on the nape and a
> > white median crown stripe, this must be the Le Conte's. It's nice that
> > you got several angles of this bird.
> > Thomas Wood, Menomonee Falls, Waukesha County
> >
> > -----Original Message-----
> > From: <wisbirdn-bounce...>
> > [mailto:<wisbirdn-bounce...>]
> > On Behalf Of Kris Perlberg
> > Sent: Friday, September 15, 2017 12:23 PM
> > To: wisb
> > Subject: [wisb] Lake Barney Fall Sparrows
> >
> > A beautiful morning!
> > Shawn M. and I started searching for Nelson and LeConte Sparrows
> > around
> > 7:30 and were joined about 30 min. later by Steve T, Nolan P., Jim S.
> > who got on a Nelson’s almost immediately. We all got pretty
> > good looks at it as it popped out of some grapevines and then even
> > better looks at it flew east and landed on the rope fence. Greg S
> > showed up around the time we found the Nelson's and he and Shawn flushed
> a
> possible LeConte’s Sparrow.
> > It was determined to remain low in the grass and out of sight but it
> > eventually popped up high enough for us to get some pretty good views
> > and I was able to snap some photos.
> >
> > It would be nice to get other opinions on this bird as it was very
> > light colored and rather drab so probably not an adult.
> >
> > Here is my eBird checklist with photos if others want to weigh in:
> >
> >
> > https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Febird.
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> > kris perlberg
> > stoughton
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