Nick Garbutt / Flock of Kelp / Southern black backed Gulls (Larus dominicanus) flying over iceberg. Graham Passage, Antarctic Peninsula, Antarctica. February. (digitally altered image)

Barry Bland / Buller's Gull {Chroicocephalus bulleri} in flight. New Zealand

Ann & Steve Toon / Kelp (Cape) gulls (Larus dominicanus) feeding on Cape fur seal carcass, Western Cape, South Africa.

Stefan Christmann / Kelp gull (Larus dominicanus) in flight. Atka Bay, Antarctica. January.

Rick Price / Two Humpback whales (Megaptera novaeangliae) breathing at the surface with Dominican gulls (Larus dominicanus), Charlotte Bay, Portal Point, Antarctic Sound, Antarctica.

Rick Price / Humpback whale (Megaptera novaeangliae) breathing at the surface with Dominican gulls (Larus dominicanus), Charlotte Bay, Portal Point, Antarctic Sound, Antarctica.

Richard Robinson / Southern black backed gull (Larus dominicanus) in flight, Enderby Island in the subantarctic Auckland Islands archipelago, New Zealand, January Editorial use only.

Richard Robinson / Southern black backed gull (Larus dominicanus) chick at Enderby Island in the subantarctic Auckland Islands archipelago, New Zealand, January Editorial use only.

Chris & Monique Fallows / Great white shark (Carcharodon carcharias) which is eating a Cape fur seal under the water, with a Kelp gull (Larus dominicanus) flying over scavenging, Seal Island, False Bay, South Africa, June.

Ann & Steve Toon / Kelp gulls (Larus dominicanus) scavenging potato factory waste, Lambert's Bay, Western Cape, South Africa

Brent Stephenson / Kelp gull (Larus dominicanus) flying, Cape Kidnappers, Hawkes Bay, New Zealand, November.

Brent Stephenson / Kelp gull (Larus dominicanus) flying, off Whitianga, Coromandel, New Zealand, October.