Hi --

While a lone Bank Swallow pair would be unusual (also swallows nesting in a
structure are certainly more apt to be Rough-wings) we did have a lone pair
of Bank Swallows nesting two years' running in a steep bank along Northwest
Branch in Layhill Park, first found by Jordan Wilkerson and confirmed by us
for the Atlas. The pair was back the next year but after some very high
water events, deserted and have never returned. And yes, we were astonished
to find a single pair but that's definitely what they were!

Gail Mackiernan & Barry Cooper
Colesville, MD

on 06/22/2009 2:56 PM, Thomas H Beal at  wrote:

> 
> Hello Tom, 
> 
> Just one pair of Bank Swallows nesting would be  unusual as it is a
> colonial species.  The situation you describes is  similar to where I have
> found 
> nesting Northern Rough-winged  Swallows.
> 
> Cheers, 
> 
> Rob Hilton
> 
> This is possible.  I didn't get a close look at the  adult, didn't have
> binoculars, and was in a hurry.  If I get the  chance will check it out.
> 
> Tom Beal
> 
> 
> 
> 
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