British Birds by Picture - Cormorants and Shags

Identify the cormorant or shag species by picture. Species names according to the British Ornithologists' Union's "The British List" - https://bou.org.uk/wp-content/uploads/2016/07/British-List.pdf This quiz contains species from the following genera: - Phalacrocorax - Gulosus - Nannopterum