The American Bittern (Botaurus lentiginosus is a wading bird of the heron family Ardeidae. New evidence has led the American Ornithologists' Union to move the heron family into the order Pelecaniformes (from Ciconiiformes).
The Pelagic Cormorant (Phalacrocorax pelagicus), also known as Baird's Cormorant, is a small member of the cormorant family Phalacrocoracidae. Analogous to other smallish cormorants, it is also called Pelagic Shag occasionally. Elkhorn Slough is a 17.1-mile-long tidal slough and estuary on Monterey Bay in Monterey County, California. The community of Moss Landing and the huge Moss Landing Power Plant are located at the mouth of the slough on the bay. Elkhorn Slough harbors the largest tract of tidal salt marsh in California outside of San Francisco Bay and provides much-needed habitat for hundreds of species of plants and animals, including more than 340 species of birds.