Double-crested Cormorant: American Shag
This YouTube video was produced by the American Bird Conservancy.
… ContinueThe big, black Double-crested Cormorant is a common waterbird of lakes and shorelines throughout North America. Although it is an expert fisher, its feathers lack the waterproofing common to most other waterbirds, such as the Mallard or Common Loon. Unlike these waterbirds, Double-crested Cormorants don’t have well-developed uropygial glands, which produce the waterproofing oil that birds spread over their feathers as they preen. Consequently, the Double-crested Cormorant has to spend a lot of time drying out, and it can often be sighted atop a piling, jetty, or dock with its
