(Common) Moorhen
Gallinula chloropus

The Moorhen is the commonest member of the crake and rail family (which also includes the Coot and Water Rail) and can be found in most places in the UK. The first four pictures are of adults, the last two of juveniles.
 

  

  

  

1: Kelvingrove Park, Glasgow, 13/06/2005.
2-3: Kelvingrove Park, Glasgow, 22/05/2005.
4: Tri-lakes Country Park, 07/02/2006.
5: Sandhurst Balancing Pond, 06/06/2006.
6: Sandhurst Balancing Pond, 02/06/2006.