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Great Northern Diver
🔍 Overview
A large, impressive diver, mostly seen off the Sussex coast in winter. Known for its haunting breeding calls in summer range.
🪶 Key Identification Features
Winter plumage: Blackish above, white below, large dagger-like bill
Summer: Black-and-white checkered plumage (rare in Sussex)
Heavy-bodied with a low profile
🗺️ Habitat & Distribution
Winters offshore in Goring Gap, Worthing Beaches, and Shoreham Harbour. Scarce inland on large reservoirs.
🎶 Voice & Behaviour
Silent in winter. Often seen alone, diving for fish in open water.

Scientific Name: Gavia immer
Status: Scarce