Black-throated DiverChichester Harbour (DO NOT USE), 2nd January 2018Off shore from Langstone Mill. See more information about this species in My report of The Birds of Warblington & Emsworth 2017 at the following https://peterspurplepages.files.wordpress.com/2017/11/emsworthwarblingtonreport2017milinetsraby.pdf© Peter Milinets-Raby