Wednesday, 27 May 2015

Sand Martin Walls

         Couple of idea's for Sand Martin Walls used at the Wildlife Trusts
         Nature Reserve at Staveley.



1 comment:

Mike Stead said...

There were Sand Martins nesting at Colnebridge last year- about three miles downstream of Cromwell Bottom.
They used existing cavities in the brick wall underneath the railway line, and are back there this year. So they are very adaptable.