Wild Wonders of Europe / Cairns / Red throated diver (Gavia stellata) on water, in breeding plumage, Bergslagen, Sweden, April 2009

John Cancalosi / Red throated diver (Gavia stellata) taking off Shetland Isles

Markus Varesvuo / Red-throated diver (Gavia stellata) in winter plumage, on water. Uto, Paragas, Finland. November.

Markus Varesvuo / Red-throated diver (Gavia stellata) in winter plumage, on water. Uto, Paragas, Finland. November.

Paul Hobson / Red-throated diver (Gavia stellata), head above vegetation whilst sitting on nest. Iceland. June.

Paul Hobson / Red-throated diver (Gavia stellata) pair in courtship display. Iceland. June.

Paul Hobson / Red-throated diver (Gavia stellata) on water. Iceland. June.

Paul Hobson / Red-throated diver (Gavia stellata) approaching nest at water's edge, in evening light. Iceland. June.

Paul Hobson / Red-throated diver (Gavia stellata) on nest at water's edge, in evening light. Iceland. June.

David Tipling / Red-throated diver (Gavia stellata) adult completing moult into non breeding plumage Brancaster Norfolk, England, UK. November

SCOTLAND: The Big Picture / Red throated diver (Gavia stellata) and chicks swimming in a moorland pool, Sutherland, Scotland, UK, June.

SCOTLAND: The Big Picture / Two Red-throated divers (Gavia stellata) swimming on a loch with their chick, Sutherland, Scotland, UK, July.