The Nashville roost isn’t forming this year. It was first detected on NEXRAD
radar in 2004 by the Purple Martin Conservation Society, and Scott Somershoe
found the exact location in 2010.
On July 25th I reported that a road was being constructed through the roost. On
Aug 1st I went out to the area and saw one individual Purple Martin near the
river. On the 8th from the walking bridge several of us saw around 4,000 birds
in the sky and at sunset they headed in the direction of the roost. Last night,
the 9th, we went to the roost saw not a single individual in the sky!! On
August 10th, 2016 David Hanni took timed photographs and estimated there to be
60,000 birds entering that roost.
This morning David Hanni and I looked at NEXRAD to see where the birds might
have gone. We saw nothing in Middle TN, but there looks to be an ENORMOUS
dispersing roost on the Mississippi near Tiptonville. Mark Greene said he’d go
out in the next couple of days and see what the birds are. Interestingly, about
10 years ago there was a roost on a peninsula on the Mississippi with ~500,000
This is the radar loop from dawn this morning.
We’re going to keep an eye on the Nashville downtown for the next couple of
weeks, but I’m not optimistic.
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