On the 5th, a 1st winter Little Gull was feeding with Black-headed Gulls off the Cobb, Lyme Regis:
The Little Gull is roughly 2/3rds the size of a Black-headed Gull:
Here's a flight shot showing dark patterning to upperwing and tail bar:
Here are some more photos taken on 6th March when 2 birds were showing really well.
...and lastly a "Little" video clip taken 6th March: