Terns

Arctic Tern (left) and Common Tern in May 2010. 
Photo: Dave Walker

Sandwich Tern in April 2010. 
Photo: Andy Warr

Juvenile Black Tern in August 2009. 
Photo: Stuart Andrews

Adult Black Tern in August 2009. 
Photos: Mark Hancox

Adult Common Tern in June 2009. 
Photo: Chris Cook

Adult Arctic Tern in April 2009. 
Photo: Andy Warr

Adult Black Tern in April 2007. 
Photo: Chris Cook