Robin Chittenden / Sooty shearwater (Ardenna / Puffinus grisea) on sea surface, Algarve, Portugal, October

Robin Chittenden / Wind turbines offshore, Norfolk coast, UK, June 2012

Robin Chittenden / Slender billed gull (Chroicocephalus genei) on shoreline, Western Division, Gambia, March

Robin Chittenden / Grey headed gull (Chroicocephalus cirrocephalus) in shallow water, Western Division, Gambia, March

Robin Chittenden / Grey headed Gull (Chroicocephalus cirrocephalus) on shoreline, Western Division, Gambia, March

Sue Daly / Sea robin / Grey gurnard (Eutrigla gurnardus) Channel Islands, UK August

Claudio Contreras / Grayson's Thrush / Rufous-backed Robin (Turdus graysoni / rufopalliatus). Maria Madre Island, Islas Marias Biosphere Reserve, Sea of Cortez (Gulf of California), Mexico, June.

Robin Chittenden / Northern Bottlenose Whales (Hyperoodon ampullatus) interacting at sea surface. Arctic sea.

Robin Chittenden / Northern Bottlenose Whale (Hyperoodon ampullatus) at sea surface. Arctic sea.

Robin Chittenden / Great shearwater (Puffinus gravis) on sea surface, Algarve, Portugal, October

Robin Chittenden / Kelling water meadows, Norfolk, UK July 2011

Robin Chittenden / White winged black tern (Chlidonias leucopterus) in flight over sea, Lesvos, Lesbos, Greece, April

Robin Chittenden / Whiskered tern (Chlidonias hybridus) Lesvos, Lesbos, Greece, April

Robin Chittenden / Balearic Shearwater (Puffinus mauretanicus) in flight above sea. Algarve, Portugal, October.

Robin Chittenden / Bittern (Botaurus stellaris) in flight over the sea, Strumpshaw Fen, RSPB reserve, Norfolk, UK.

Robin Chittenden / Grey seal (Halichoerus grypus) swimming in the sea, Blakeney Point, Norfolk, UK. December

Robin Chittenden / Cormorant (Phalacrocorax carbo) on water, Norfolk, UK.

Robin Chittenden / Common gull (Larus canus) on water, Norfolk, UK, January, first winter plumage.

Robin Chittenden / Two Common gulls (Larus canus) on water, Norfolk, UK. January, adults, winter plumage

Robin Chittenden / Lesser black-backed gull (Larus fuscus graellsii) in flight over water, Norfolk, UK, adult, winter plumage.

Robin Chittenden / Black-throated diver (Gavia arctica) on water, Swanton Morley, Norfolk, UK

Fred Bavendam / Oriental Flying Gurnard (Dactyloptena orientalis) showing nocturnal coloration, Lembeh Strait, Indonesia

Fred Bavendam / Oriental Flying Gurnard (Dactyloptena orientalis) showing nocturnal coloration, Lembeh Strait, Indonesia

Fred Bavendam / Oriental Flying Gurnard (Dactyloptena orientalis) showing nocturnal coloration, Lembeh Strait, Indonesia

Fred Bavendam / Oriental Flying Gurnard (Dactyloptena orientalis) swimming over ocean bottom with fins outstretched to confuse predators, Milne Bay, Papua New Guinea

Florian Graner / Sea robin (Eutrigla gurnardus) on seabed sediments, Norway

Chris Newbert / Oriental Flying Gurnard (Dactyloptena orientalis) 60 feet deep, Papua New Guinea

Robin Chittenden / Minke whale at surface {Balaenoptera acutorostrata} North East Canada, Atlantic Ocean

Martin H Smith / Robin {Erithacus rubecula} dead from exhaustion on oil rig supply ship, North Sea.

Jeff Rotman / Sea robin on seabed, close up (Triglidae) Brittany France

Robin Chittenden / Fin whale at surface with boats {Balaenoptera physalus} North East Canada Atlantic, August 1998

Robin Chittenden / Coastal sea defence work, Burnham Overy Staithe, Norfolk, England, September 2006

Robin Chittenden / Offshore windfarm, Norfolk, England, September 2008

Robin Chittenden / Seawatching shelter, Sheringham, Norfolk, England, September 2007

Robin Chittenden / Birdwatchers watching the sea on beach, Cley, Norfolk, England, October 2006

Dr. Axel Gebauer / Robin accentor (Prunella rubeculoides) eating insect, Qinghai Nanshan at 3.500m above sea level, Koko Nor lake, Tso Ngonbo, Qinghai Hu, Qinghai Province, Tibet, Amdo, China