the european shag or common shag phalacrocorax aristotelis

animal aristotelis beak bill bird birding birdwatching black blue breeding breeds brown cliff coast coastal coasts colony colorful colour common cormorant europe european eye fauna feather flower flying green island marine mountain national natural nature nest norway ocean ornithology park perched phalacrocorax plumage rock rocky sea seabird shag southern species summer water western wild wildlife wing