Date: 6/13/18 6:20 am
From: Scott Morrical <smorrica...>
Subject: Re: [VTBIRD] Surprises on Mansfield
Chris,
Congrats on the Philly Vireo, a nice record. Looking forward to photos.
Scott

Sent from my iPhone

> On Jun 13, 2018, at 8:03 AM, Chris Rimmer <crimmer...> wrote:
>
> VCE's third field visit to Mt. Mansfield on Tues-Wed yielded some surprises
> among the 61 birds we captured in our 23 mist nets. Weather was favorable,
> though breeze a bit strong from the SW on Wednesday morning, when activity
> subsided rapidly after ~9:00 am.
>
> Far and away, the most unexpected capture was a Philadelphia Vireo, the
> first we have encountered on Mansfield in 27 years of banding. The bird
> showed no signs of breeding and might be a very late migrant, or just a
> non-breeding wanderer. Very exciting for all to see. As has become
> increasingly the norm, but more often later in the season than this early,
> we captured several species characteristic of northern hardwoods forests.
> We suspect that many or most of these are failed or non-breeders.
>
> The capture of a juvenile White-winged Crossbill with incompletely-grown
> flight feathers was another notable surprise, and strongly suggests that
> the bird was locally hatched. That helps explain our capture of the same
> adult pair in the two previous successive weeks. This was, however, our
> only encounter with crossbills on the ridgeline. A few small flocks of
> siskins were still present, and we captured 3.
>
> Bicknell's Thrush continue to make a good showing, and we have now captured
> 30 individuals so far this season. Still not a single red squirrel has been
> encountered on the mountain, though I was on Okemo Mountain this past
> Sunday and ran into half a dozen up there. It looks like a very light fir
> cone crop emerging this year.
>
> Our 2-day list of mist-netted birds:
>
> Least Flycatcher 1
> Philadelphia Vireo 1 Carefully examined in hand and photographed;
> conspicuous yellowish underparts, small size. Photos to follow. First
> banding record on Mansfield in 27 years.
> Brown Creeper 1 female with beginning brood patch; failed breeder(?)
> Ruby-crowned Kinglet 1 male
> Bicknell's Thrush 14 6 new, 3 returns (birds from 2015, 2016 and
> 2017), 5 within-season recaptures
> Swainson's Thrush 3 1 return from 2016, 2 from 2017
> American Robin 4 new bandings (1 male, 3 females with full
> incubation/brood patches)
> Black-and-white Warbler 1 male
> Blackpoll Warbler 11 3 new, 5 returns (2 from 2016, 3 from 2017), 3
> within-season recaptures
> Yellow-rumped Warbler (Myrtle) 6 3 new, 1 return from 2016, 2
> within-season retraps; 2 females with fully-developed incubation patches
> Black-throated Green Warbler 1 female with regressing brood patch;
> probably a failed breeder
> Dark-eyed Junco (Slate-colored) 3
> White-throated Sparrow 8 6 new, 2 within-season recaptures
> Purple Finch 2
> White-winged Crossbill 1 locally-hatched juvenile with stubby tail and
> wings (~2/3 grown)
> Pine Siskin 3 2 juveniles, 1 adult female
>
> We''ll be back up there next week on Tuesday-Wed.
>
> Chris
>
> ________________________
>
> Chris Rimmer
> Vermont Center for Ecostudies
> PO Box 420 | Norwich, Vermont 05055
> 802.649.1431 x202
> http://vtecostudies.org/
>
> <http://vtecostudies.org/>
 
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