Complex sentence: Cape shags commonly forage in flocks, taking schooling fish from mid-water, such as pilchards, anchovies, and sandeels; its prey are typically much smaller than those of the sympatric Bank Cormorant.
Split into simpler sentences: Cape Shags commonly forage in flocks, taking schooling fish from mid-water, such as pilchards, anchovies, and sandeels. Its prey are typically much smaller than those of the sympatric Bank Cormorant.