Black-Throated Diver (Black-Throated Loon or Arctic Diver) (Gaviota arctica) raising itself out of the water to shake its head and flap its wings after preening, Lochindorb, Scottish Highlands
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Black-Throated Diver (Black-Throated Loon or Arctic Diver) (Gaviota arctica) raising itself out of the water to shake its head and flap its wings after preening, Lochindorb, Scottish Highlands
Close inspection reveals that the throat patch is in fact a deep purple, not black: Deep Purple-Throated Diver?