The cliffs on the Eastern shore of the Isle of Noss (Shetland, UK) are inhabited year-round by tens of thousands of seabirds.
In September, it's the Gannets that own the cliffs.

This gallery is an experiment with color and black and white versions of each photo juxtaposed side by side...
Use "next" and "previous" to snap back and forth, and if posssible, leave a comment to indicate your preference.
(The second pair in particular has me puzzled.)