The Warbling Vireo(s) I heard down the street the past couple of days I took to
be young ones learning their song. They really didnât sound âquiteâ
right. Also, there was quite a gap between these and the âregularsâ I heard
a couple or more weeks ago.
On the other hand, there is a pewee thatâs been singing EVERY DAY for the
past couple of weeks, always from the same place across the street from me. I
have heard a couple of others in town, a few to several blocks away - too far
for âmineâ to hear. I am assuming this neighborhood one is most likely the
same one thatâs been around all season, but why it is (still) singing, I have
no idea.
Karen
--
Karen Etter Hale
Lake Mills, WI
chimneyswift1@xxxxxxxxxx
*****
Making time for birds
On Sep 5, 2018, at 3:26 PM, Bill Volkert <billvolkert11@xxxxxxxxx> wrote:
Sandy:
As the days get shorter, this is the signal for birds to prepare for
migration. This change in the photo-period, or day length, triggers
hormonal changes which result in fat accumulation and an increase in
activity noted in increased feeding activity, flocking behavior and also a
pre-migratory restlessness. One other result is that birds often will
begin to sing again. This may be simply a result of increased hormone
levels as a side effect, or it may also be a way for young birds to
practice the songs that they heard their parents perform and will need to
know by next spring.
This is far too late in the year for a neo-tropical migrant species to try
to raise another family and expect that they will be matured before the
fall departure. Some of the birds you may be hearing in your neighborhood
may actually not be the same individuals that spent the summer there, but
may be birds that have already begun to move in from other areas.
Bill Volkert
FdL Co
On Wed, Sep 5, 2018 at 9:56 AM Sandy Petersen <buboarcto2@xxxxxxxxx> wrote:
Hi all!
My local warbling vireo
and a couple others down the street
are still/again singing their hearts out -
even in the light rain.
Are they nesting again or
singing for the joy of it?
Sandy Petersen
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--
Bill Volkert
Naturalist
www.billvolkert
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