Date: 7/26/17 5:03 pm
From: Chris Mccreedy <cristofolos...>
Subject: Re: [AZNMbirds] East Tucson Fall Migration Morning Flight
Cool post, Brian. It reminds me I had meant to ask you- can you suggest a
good spot to watch for BWHA? I noticed your fall posts on them last year.
Perhaps the places you mentioned in your post?


On Wed, Jul 26, 2017 at 16:28 Brian Gibbons <thehornedguan...> wrote:

> Hi Birders
> Over the last few years I have detected a reliable early fall morning
> flight from my house in Southeast Tucson (Southeast of Escalante and
> Houghton). Mid-July through August has the largest numbers of birds with
> some movement continuing into October.
> I have been seeing 50-100 migrants per morning in the last couple of
> weeks, on a good day at the peak in mid-August I have seen nearly 300 birds
> in a couple of hours.
> I am trying to figure out the genesis of this flight. Along with a few
> friends that have witnessed this phenomenon we deduced that birds are
> probably crossing through Reddington Pass, and then moving west or
> southwest when they encounter Tanque Verde Ridge which run West Southwest
> from the Rincon Mountains as they clear this they head south over the east
> edge of town.
> I would love to have other folks watch from their east side homes or from
> selected spots in or around Saguaro National Park East. IF the Ridge is a
> major influencer I would think Golf Links on the north side, Valencia on
> the south side and between Houghton and Old Spanish Trail would be a key
> area for home owners to watch the sky. I also think that Javelina Rocks in
> Saguaro National Park could be an excellent lookout.
> What the flight looks like from my house. Birds are generally quite low,
> many easily seen naked eye and heard, often just above house and treetops.
> From my vantage they are almost always headed straight south. So far this
> fall I have detected Western Kingbirds, Northern Mockingbirds,
> Phainopeplas, Lark Sparrows, Western Tanagers, Black-headed Grosbeak, Blue
> Grosbeak, Lazuli Bunting, Bullock's Oriole (high count of 22 on 21 July),
> and today I added my first Lark Buntings of the year, a flock of 8 headed
> West! Lark Buntings are the species that I have watched head in all compass
> directions this time of year. Usually by 8 a.m. the flight is diminishing.
> I hope some folks are intrigued by this migration observation and I
> encourage them to post a short summary of migrants seen, I will try to do
> this and all my checklists are in eBird for this fall and most of last year.
> Brian Gibbons
> Tucson
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