Why do purple martins in Houston migrate a month later than purple martins
in Austin? In Austin purple martins stage in July, and there aren't any
left by August.
Dora
-----Original Message-----
From: KEITH KINGDON
Sent: Wednesday, August 31, 2016 6:04 AM
To: bobwhitebsacbc@xxxxxxxxx
Cc: FCollins@xxxxxxxx ; dmarc-noreply-modpost@xxxxxxxxxxxxx ;
texbirds@xxxxxxxxxxxxx
Subject: [texbirds] Re: Roost Rings over NW Houston
It looks like the martins agree with you. They moved to the short trees in
the courtyard in front of the AMC Willowbrook theater. Immediate area is
pedestrian traffic only.
Keith Kingdon
Willowbrook area Houston
Sent from my iPhone
On Aug 29, 2016, at 2:44 PM, Bob White <bobwhitebsacbc@xxxxxxxxx> wrote:
I'm curious about roost mortality. I guess some is to be expected. I round
that corner from 249 to Gessner each morning about 8:15. I'm always
saddened to see numbers of flattened birds in the street, with several more
on the sidewalk. One morning in early August I think there were more than
two dozen on the pavement with perhaps twice as many more on the sidewalk.
Wouldn't they choose a place with fewer cars?
Bob White
Spring, TX
On Aug 29, 2016, at 1:13 PM, Collins, Fred (Commissioner Pct. 3)Edit your Freelists account settings for TEXBIRDS at
<FCollins@xxxxxxxx> wrote:
Kevin,
This is the site of the Houston Audubon's annual Purple Martin Migration
Madness Party that they hold several Saturday nights each August. The last
of the season was this past Saturday. It is quite a site. Mary Ann Weber
has shared many pictures of the spectacle.
Fred Collins, Director
Kleb Woods Nature Center
20303 Draper Road,Tomball TX 77377
281-357-5324
Harris County Precinct 3
Steve Radack Commissioner
www.pct3.com
-----Original Message-----
From: texbirds-bounce@xxxxxxxxxxxxx [mailto:texbirds-bounce@xxxxxxxxxxxxx] ;
On Behalf Of Kevin Smith
Sent: Monday, August 29, 2016 7:57 AM
To: texbirds@xxxxxxxxxxxxx
Subject: [texbirds] Roost Rings over NW Houston
All,
For the month of August I have been noticing most mornings on the NOAA
weather radar a persistent "roost ring" located in northwest Houston in
the vicinity of the Willowbrook Mall. The ring appears between 6:30 and
6:45 am and grows until around 7:15 or so. Early in the month the ring
was centered somewhat east of the mall and by this morning has moved a few
miles west southwest of the mall. A particularly textbook example
occurred on 27 Aug and I have uploaded to my server a composite image of
the event.
http://www.lessmiths.com/~kjsmith/birds/27Aug2016comp.jpg. In addition I ;
have uploaded to the same directory two animated gif's of the base
reflectivity and radial velocity: 27Aug2016base.gif and 27Aug2016rdvl.gif.
I am assuming that I am seeing a signature of Martins but obviously do not
know for sure. Must be an interesting sight from the ground around 6:15 -
6:30. Has anyone noted this before?
Kevin Smith
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