Ted Floyd wrote:
Ah. Colby has brought up the strange case of the missing Swainson's
Thrushes:
Hello everyone,
I guess this partially answers my unasked question about whether
Swainson's and other species migrate at some altitude not picked up by
the equipment typically used. But I'm
All
When I used to live on the California Channel Islands we would get hundreds
of SWTH in the pre-dawn, and then they were complete ghosts on the ground. I
mean, these things would simply disappear. It wasn't until I accidentally
found them one day that I finally realized what they were doing.
Ah. Colby has brought up the strange case of the missing Swainson's
Thrushes:
> Interestingly, ZERO Swainson's Thrushes were heard. Interestingly, in
all my nights
> listening (a couple dozen) in Utah, I never heard a Hermit or
Swainson's Thrush in either
> the spring or fall. I don't
