On Fri, 19 Sep 1997, John Shelton - ext. 4051 wrote:

> Other than size. Is there a reliable/simple way to differentiate a Swift
> from a Swallow when they are flying?

Swifts appear to "wobble," almost like they are alternating the
flapping of their wings -- and they have no tail so that they look like
cigars.

Dale Goble
Moscow