two-crested cormorant (nannopterum auritum)

doublecrested phalacrocorax conservation nannopterum environment ornithology twocrested aggressive california cormorants cormorant waterbird undefined michigan wildlife feathers outdoors predator auritum sparrow america fishing crested natural outdoor auritus plumage species animal branch falcon flight divers diving double floats hunter nature shore finch eagle birds black diver fauna north sharp swims water wings tree lake bird beak wing twig hawk bill blue eyes fish long park sky