Harriman Lake had a mix of juveniles and adults. As my primary purpose was exercising the mutt I didn't look at the ratio but my initial impression was not one sided in either direction. Chip Clouse Lakewood
On Sep 12, 2016 7:56 AM, <[email protected]> wrote: > One thing I noticed over the years is that this time of year the Grackle > flocks are mostly juvenile birds. All the grackles seem to leave the area > then in the fall the flocks arrive from who knows where, and are comprised > almost entirely of juvenile birds. Are these grackles your seeing > juveniles? > > Scott Rashid Estes Park > > > On Sun, 11 Sep 2016 21:07:12 -0600, Chip Clouse <[email protected]> > wrote: > > Harriman Lake in Jeffco had huge flocks of blackbirds coming in to roost > > this evening. The flock included at least 200 Common Grackles, 250 > > Red-winged Blackbirds, 750 European Starlings, 33 Brewers Blackbirds > > (counted on the rocks at waters edge) and at least 1 Brown-headed > > Cowbird. My dog wouldnt let me stop long enough to do more than estimate > > on anything but the BRBLs that didnt flush as she dragged me along the > > trail. > > > > Chip Clouse > > Lakewood > > On Sep 11, 2016 8:53 PM, "David Suddjian" wrote: > > ON THE GRACKLE THEME, ON THE MORNING OF 9/10 I WATCHED AN ESTIMATED > 2,500 > > COMMON GRACKLES moving past St. Mary Catholic Church and Lee Gulch at > > South Prince Street in Littleton, Arapahoe Co. They were all going SE in > > a more or less steady stream of flocks over 45 min. > > The local breeders had departed some time ago, and Im sure these were > > part of a migratory movement. Most of them showed tail feathers in heavy > > molt. I did not see a similar movement at the same time period this > > morning, and these were much larger numbers that I happened to have seen > > over the St. Mary area in the past two Septembers. > > There is a rather large roost of migrants at this time of year SE and > > near C470 x Santa Fe (Douglas Co.), but that is about 2.5 miles south > and > > the wrong direction for the birds I saw passing on 9/10, plus that roost > > flies out shortly after sunrise, about 1.5 hours earlier than my > > observation on 9/10. > > David SuddjianKen Caryl ValleyLittleton, CO > > On Sun, Sep 11, 2016 at 4:07 PM, Charles Hundertmark wrote: > > This afternoon, we had a large flock of Common Grackles in our front > yard > > - not a particularly exciting bird for list purposes, but an interesting > > phenomenon. For about a week or so now, I’ve been noting flocks of > > 100-200 grackles moving through the neighborhood. They are feeding > > vigorously and moving on quickly. Interestingly, many of them are > > molting. I’m wondering if the grackles undergo a molt migration in the > > fashion that Ted Floyd has so insightfully informed us about for > Chipping > > Sparrows. > > > > Chuck Hundertmark > > Lafayette, CO > > 303-604-0531 [3] > > > > -- > > You received this message because you are subscribed to the Google > > Groups "Colorado Birds" group. > > To unsubscribe from this group and stop receiving emails from it, send > > an email to [email protected] [4]. > > To post to this group, send email to [email protected] [5]. > > To view this discussion on the web visit > > > https://groups.google.com/d/msgid/cobirds/81407853-9AEE- > 4453-BF8F-BE781DD4307E%40gmail.com > > [6]. > > For more options, visit https://groups.google.com/d/optout [7]. > > > > -- > > You received this message because you are subscribed to the Google > > Groups "Colorado Birds" group. > > To unsubscribe from this group and stop receiving emails from it, send > > an email to [email protected] [8]. > > To post to this group, send email to [email protected] [9]. > > To view this discussion on the web visit > > > https://groups.google.com/d/msgid/cobirds/CAGj6RoqyJ- > 7pmmaQjFKABnuYWCZ5Qz4tzSaVgpd3Y7Zohnds5g%40mail.gmail.com > > [10]. > > For more options, visit https://groups.google.com/d/optout [11]. > > > > -- > > You received this message because you are subscribed to the Google > > Groups "Colorado Birds" group. > > To unsubscribe from this group and stop receiving emails from it, send > > an email to [email protected] [12]. > > To post to this group, send email to [email protected] [13]. > > To view this discussion on the web visit > > > https://groups.google.com/d/msgid/cobirds/CAPHVJehmrWvBxcvWa4nRXU4f2AztV > t4bMpxiVHnB62_WQaGtxQ%40mail.gmail.com > > [14]. > > For more options, visit https://groups.google.com/d/optout [15]. > > > > > > Links: > > ------ > > [1] mailto:[email protected] > > [2] mailto:[email protected] > > [3] http://mail.frii.com/tel:303-604-0531 > > [4] mailto:cobirds%[email protected] > > [5] mailto:[email protected] > > [6] > > > https://groups.google.com/d/msgid/cobirds/81407853-9AEE- > 4453-BF8F-BE781DD4307E%40gmail.com > > [7] https://groups.google.com/d/optout > > [8] mailto:[email protected] > > [9] mailto:[email protected] > > [10] > > > https://groups.google.com/d/msgid/cobirds/CAGj6RoqyJ- > 7pmmaQjFKABnuYWCZ5Qz4tzSaVgpd3Y7Zohnds5g%40mail.gmail.com? > utm_medium=email&utm_source=footer > > [11] https://groups.google.com/d/optout > > [12] mailto:[email protected] > > [13] mailto:[email protected] > > [14] > > > https://groups.google.com/d/msgid/cobirds/CAPHVJehmrWvBxcvWa4nRXU4f2AztV > t4bMpxiVHnB62_WQaGtxQ%40mail.gmail.com?utm_medium=email&utm_source=footer > > [15] https://groups.google.com/d/optout > -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/cobirds/CAPHVJeiE%3DSjqBNwMO8AWaqzNj2t4N503b-8jh2405xRbv3zQiw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
