Andy Rouse / Black-browed albatross (Thalassarche melanophrys) with chick on nest, part of a large colony, Steeple Jason, Falkland Islands (non-ex)

Sue Daly / Egg wrack (Ascophyllum nodosum), Herm, British Channel Islands, June.

SCOTLAND: The Big Picture / European river otter (Lutra lutra) cubs aged four months play fighting on Knotted wrack seaweed, Shetland, Scotland, UK, February.

SCOTLAND: The Big Picture / European river otter (Lutra lutra) cubs aged four months, play fighting amongst seaweed, Shetland, Scotland, UK, February.

SCOTLAND: The Big Picture / European river otter (Lutra lutra) cubs aged four months, on Knotted wrack seaweed, Shetland, Scotland, UK, February.

Alex Hyde / Various seaweeds stranded on a beach including Sea belt / Devil's apron (Laminaria saccharina) and Knotted / Egg wrack (Ascophyllum nodosum) Isle of Mull, Scotland, UK. June.

Alex Hyde / Knotted / Egg Wrack seaweed (Ascophyllum nodosum) growing in middle shore zone, exposed at low tide. Isle of Mull, Scotland, UK. June.

Alex Hyde / Knotted / Egg Wrack seaweed (Ascophyllum nodosum) growing in middle shore zone, exposed at low tide. Isle of Mull, Scotland, UK. June.

Niall Benvie / Knotted wrack (Ascophyllum nodosum) exposed at low tide, Argyll, Scotland, UK, August

Niall Benvie / Knotted wrack (Ascophyllum nodosum) exposed at low tide, Argyll, Scotland, UK, August

Niall Benvie / Knotted wrack (Ascophyllum nodosum) exposed at low tide, Argyll, Scotland, UK, August

Robert Thompson / Knotted wrack {Ascophyllum nodosum var mackii} and sea lettuce {Ulva sp} exposed at low tide, Ballyhenry Point, Strangford Lough, County Down, Northern Ireland, UK, August

Robert Thompson / Knotted wrack {Ascophyllum nodosum var mackii} exposed at low tide, Ballyhenry Point, Strangford Lough, County Down, Northern Ireland, UK, August

Robert Thompson / Knotted wrack {Ascophyllum nodosum} and Sea lettuce {Ulva intestinalis} exposed at low tide, Ballyhenry Point, Strangford Lough, County Down, Northern Ireland, UK, August

Ingo Arndt / Knotted Wrack (Ascophyllum nodosum) an edible seaweed sixteen centimeters, Helgoland, Germany

Ross Hoddinott / Knotted wrack seaweed {Ascophyllum nodosum} England

Ross Hoddinott / Knotted wrack seaweed {Ascophyllum nodosum} Cornwall, UK

Duncan Mcewan / Floating Knotted wrack {Ascophyllum nodosum}, Scotland

Niall Benvie / Knotted wrack seaweed, Loch Carron, Scotland

Niall Benvie / Knotted Wrack seaweed (Ascophyllum nodosum) Scotland

Niall Benvie / Knotted wrack seaweed (Ascophyllum nodosum) Scotland.

Nick Upton / Epiphytic red alga (Polysiphonia lanosa) growing in tufts on Knotted wrack (Ascophyllum nodosum) on a rocky shore, Wembury, Devon, UK, August.

Nick Upton / Epiphytic red alga (Polysiphonia lanosa) growing in tufts on Knotted wrack (Ascophyllum nodosum) on a rocky shore, Wembury, Devon, UK, August.

Nick Upton / Epiphytic red alga (Polysiphonia lanosa) growing in tufts on Knotted wrack (Ascophyllum nodosum) on a rocky shore, with the tide rising in the background, Wembury, Devon, UK, August.

Nick Upton / Epiphytic red alga (Polysiphonia lanosa) growing in tufts on Knotted wrack (Ascophyllum nodosum) on a rocky shore, Wembury, Devon, UK, August.

Robert Thompson / Knotted wrack seaweed {Ascophyllum nodosum} on shore at low tide, Strangford Lough, County Down, Northern Ireland, September

Robert Thompson / Knotted wrack seaweed {Ascophyllum nodosum} on shore at low tide, Strangford Lough, County Down, Northern Ireland, September

Graham Eaton / Norway's laminaria (Ascophyllum nodosum) growing up towards the surface in clear, shallow sea, Aberffraw, Anglesey, Wales, Irish Sea, UK. July.

Graham Eaton / Norway's laminaria (Ascophyllum nodosum) growing in aerated shallow sea with St Cwyfan's Church on the small tidal island of Cribinau in background, Aberffraw, Anglesey, Wales, Irish Sea, UK. Jul...

Graham Eaton / Norway's laminaria (Ascophyllum nodosum) growing in aerated shallow sea with St Cwyfan's Church on the small tidal island of Cribinau in background, Aberffraw, Anglesey, Wales, Irish Sea, UK. Jul...

Graham Eaton / Norway's laminaria (Ascophyllum nodosum) growing up towards the surface in clear sea, Aberffraw, Anglesey, Wales, Irish Sea, UK. July.

Alex Mustard / Contrast of lush growth of Egg wrack (Ascophyllum nodosum) underwater and leafless trees on the shore, Loch Carron, Highlands, Scotland, UK. May.

Alex Mustard / Contrast of lush growth of Egg wrack (Ascophyllum nodosum) underwater and leafless trees on the shore, Loch Carron, Highlands, Scotland, UK. May.

Niall Benvie / Knotted wrack (Ascophyllum nodosum) Wester Ross, Scotland