Cormorant-human relations can be a tricky thing. In some areas, they're considered pests because of their droppings, stealing fish from anglers, or just sheer numbers. In China, however, anglers have actually used cormorants for thousands of years to help them fish. Kind of like feathered, swimming, really goofy-looking hunting dogs.
For us, they're just a blast to watch. I don't know if any of you are Dr. Seuss fans, but one of my son's favorites used to be On Beyond Zebra. One of the pages talks about "nutches," which guard their perches thusly:

It always reminds me of this:
They act like it too -- that one cormorant is in flight because no one will let it on its perch. Also, their call sounds a lot like a belch. Add to that the fact that when one does get dislodged from its branch, it bumps off the next one, and that one careens into two or three more, and so on, and they all call out when disturbed; and you have a fluttering, silhouetted symphony of burps every evening. Best nature walk ever if you have a kid; trust me.
Here, have a few more:
Hooray for cormorants. And see, I do requests! Ask away.
Happy beginning/mid week.