Mute swan NIKON D5100 (500mm, f/9, 1/500 sec, ISO200) Nieuwkoop | The Netherlands Dutch: Knobbelzwaan Latin: Cygnus olor Photos with swans:Black SwanMute swan Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Solve the puzzle* *Time limit is exhausted. Please reload the CAPTCHA. − 1 = This site uses Akismet to reduce spam. Learn how your comment data is processed.