Not sure I believe this one. Swifts sleep on the wing? Oh come on
now. Another from the European web site.

> "Swifts do sleep in the air.? Spallanzani published his observations
> on this in 1797. In the 20th century pilots reported that they saw
> Swifts flying in the dark, and in the ?50s Weitnauer and Bruderer made
> closer observations using systematic searches by airplane and radar.
>
> Every day at dusk the non-breeders of some colonies come together,?
> fly around, often with loud cries, and then fly up into the sky and
> out of sight. Before disappearing into the dark, they usually
> assemble over a fixed piece of territory, which changes only every
> couple of years." ?
>
> U. Tigges

I remember reading somewhere else that the swifts face into a strong
upper wind and can pretty much stay put. Boy....I don't know.

Our last Believe It or Not should be a real attention grabber.

Larry Schwitters
Issaquah
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