Great Skua nesting Great Skua (Stercorarius skua). Handa Island, Scotland. Olympus OM-D EM-5 DSLR & Sigma 50-500mm F4-6.3 APO DG lens at F8 Next → You May Also Like Olympus launches 300mm F4 micro 4/3rds lens Pete January 6, 2016January 6, 2016 0 Filter cast or no filter cast? Pete August 8, 2011October 2, 2011 0 Ashness Gate to Catbells Pete November 18, 2016November 18, 2016 0 Add any comments or questions hereCancel reply This site uses Akismet to reduce spam. Learn how your comment data is processed.