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Adult green sea turtle (Chelonia mydas), feeding near Buccaneer Cove, Santiago Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Hippo (Hippopotamus amphibius), Kruger National Park, Mpumalanga, South Africa, Africa
Algae inside rock formation on cliffs lit by rainbow during the midnight sun, Tungeneset, Senja, Troms county, Norway, Scandinavia, Europe
Whirligig Geyser runoff, Porcelain Basin, Norris Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Whirligig Geyser runoff, Porcelain Basin, Norris Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Blooming of eriofori (cotton grass), Levanne mountains. Gran Paradiso National Park, Alpi Graie (Graian Alps), Italy, Europe
Walkway on a pond full of algae on a natural reserve in the south of France with mountains in the background, Occitanie, France, Europe
Wooden boardwalk over the mineral sinter formations on Geyser Hill, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Eruption of Castle Geyser with rainbow in the spray, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
St. Michael's Mount, Marazion, Cornwall, England, United Kingdom, Europe
St. Michael's Mount, Marazion, Cornwall, England, United Kingdom, Europe
Crevettes (prawns), Le Bistrot de Bernard, Ars, Ile de Re, Charente Maritime, France, Europe
Large rock at low tide, west Senja, Norway, Scandinavia, Europe
Adult king penguins and okum boy chicks (Aptenodytes patagonicus) heading to sea in Gold Harbor, South Georgia, Polar Regions
Sunrise and reflections on Aiguille Rousse, Gran Paradiso National Park, Alpi Graie (Graian Alps), Italy, Europe
Pools and rocks at low tide, sunrise, Port Eynon Bay, Gower Peninsula, Swansea, Wales, United Kingdom, Europe
Coastline at low tide, west Senja, Norway, Scandinavia, Europe
Blue Star Spring, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Saltwater (estuarine) crocodile (Crocodylus porosus), Sarawak, Borneo, Malaysia, Southeast Asia, Asia
Crabeater seal camouflaged in algae, Antarctica, Polar Regions
St. Michael's Mount, Marazion, Cornwall, England, United Kingdom, Europe
Tidal rock pools and Mumbles Lighthouse, Bracelet Bay, Mumbles Head, Gower Peninsula, Swansea, Wales, United Kingdom, Europe
Water vole (Arvicola terrestris) in captivity, United Kingdom, Europe
Seaweed covered rocks and hanging fishing nets at low tide, west Senja, Norway, Scandinavia, Europe
Applecross beach, Wester Ross, Scotland, United Kingdom, Europe
St. Michael's Mount, Marazion, Cornwall, England, United Kingdom, Europe
Grand Prismatic Spring in winter, Lower Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Gentoo penguin (Pygoscelis papua) vocalizing on snow with red algae, Antarctica, Polar Regions
Man and woman working in seaweed cultivation, Zanzibar, Tanzania, East Africa, Africa
Young woman carrying seaweed from the ocean on her back, Zanzibar, Tanzania, East Africa, Africa
Lichen in the Arctic Circle on Ringvassoya Island in the region of Tromso, Northern Norway
Gravestone aged with lichens in the churchyard graveyard at Landewednack, Cornwall, England, United Kingdom
Two women working in seaweed cultivation, Zanzibar, Tanzania, East Africa, Africa
Two smiling Zanzibari women working in seaweed cultivation, Zanzibar, Tanzania, East Africa, Africa
Moss and lichens on tree, North Island, New Zealand
Tropical fern above algae covered pond
Mussels and seaweed on the tidal seashore, Cullen, Scotland, United Kingdom, Europe
Moss and lichens on tree, North Island, New Zealand
Algae in the hot springs at Orakei Korako, South Auckland, North Island, New Zealand, Pacific
Ile Molene (Ile de Molene) (Molene Island), Brittany, France, Europe
Tourist photographing moss and lichens on tree, North Island, New Zealand
Seaweed on beach, Mellon Udrigle, Wester Ross, Highland region, Scotland, United Kingdom, Europe
Moss and lichens on tree, North Island, New Zealand
Great Blue Heron on Santa Cruz, Galapagos Islands, Ecuador
Seaweed drying in the sun, Uroa beach, Zanzibar, Tanzania, East Africa, Africa
Seaweed farming, Rebun Island, Hokkaido, Japan, Asia
Humpback Whales (Megaptera novaeangliae) feeding on Krill in Wilhelmena Bay, Antarctic Peninsular and surfacing wth a metre of a zodiak. The whales migrate here in the summer to feed on the Krill. Krill numbers have declined by over 50%. They feed on algae that grows on the underside of sea ice, As the sea ice melts, both algae and krill decline. This shot has penguins resting on an iceberg in the background.
A Kittiwake, Rissa tridactyla, on the Farne Islands, Northumberland, UK, next to a pool with red algae. Kittiwakes have declined drastically due to climate change causing their main fish prey species to migrate further north to find cooler sea temperatures.
Humpback Whales (Megaptera novaeangliae) feeding on Krill in Wilhelmena Bay, Antarctic Peninsular. The whales migrate here in the summer to feed on the Krill. Krill numbers have declined by over 50%. They feed on algae that grows on the underside of sea ice, As the sea ice melts, both algae and krill decline. An expedition cruise ship in the background
Humpback Whales (Megaptera novaeangliae) feeding on Krill in Wilhelmena Bay, Antarctic Peninsular. With passengers from an expedition crusie in Zodiaks. The whales migrate here in the summer to feed on the Krill. Krill numbers have declined by over 50%. They feed on algae that grows on the underside of sea ice, As the sea ice melts, both algae and krill decline.
The Hartbeespoort Dam bypass channel in South Africa's North West Province. The water is green due to algae.
Humpback Whales (Megaptera novaeangliae) feeding on Krill in Wilhelmena Bay, Antarctic Peninsular. The whales migrate here in the summer to feed on the Krill. Krill numbers have declined by over 50%. They feed on algae that grows on the underside of sea ice, As the sea ice melts, both algae and krill decline.
The Hartbeespoort dam in South Africa's North West Province. The water is green due to algae growth.
Seaweed farmer, Rebun Island, Hokkaido, Japan, Asia
Algae in melting snow on Joinville Island just off the Antarctic Peninsular which is one the the fastest warming places on the planet.
A pool coloured red from algae that have been fertilized by seabird guano on the Farne Islands, Northumberland, UK.
Red algae in the snow on a receding glacier in Suspiros Bay on Joinville Island just off the Antarctic Peninsular. The peninsular is one of the fastest warming places on the planet.
The Hartbeespoort dam in South Africa's North West Province. The water is green due to algae growth.
A dried up lake at Tehachapi Pass, California, USA. California is in the midst of a four year long drought.
A dried up lake at Tehachapi Pass, California, USA. California is in the midst of a four year long drought.
Green algae and yellow lichen on the Farne Islands, Northumberland, UK.
Split image of rocks and green algae (Caulerpa racemosa), St. Peter and St. Paul's rocks, Brazil, South America
Green algae (Caulerpa racemosa) and black durgon (Melichthys niger), schooling, St. Peter and St. Paul's rocks, Brazil, South America
Blue-barred parrotfish (Scarus ghobban), Mili, Marshall Islands, Pacific
An AlgaeLink algae growing system that is harvested to make ethanol and biodiesel
Pristine coral reef, mainly lettuce (scroll) coral (Turbinaria reniformis) and water surface, Pohnpei, Federated States of Micronesia, Caroline Islands, Micronesia, Pacific Ocean, Pacific
Split image of rocks and green algae (Caulerpa racemosa), St. Peter and St. Paul's rocks, Brazil, South America
The endemic Galapagos marine iguana (Amblyrhynchus cristatus) in the Galapagos Island Archipelago, Ecuador
Common Starfish (Asterias rubens), two common starfish grazing on algae covered dark red rock, Eyemouth, Scotland, UK North Sea
Branching Brown Algae (Dictyota dichotoma), clear view of branching feature of this brown seaweed, St Abbs, Scotland, UK North Sea
Chinstrap penguin (Pygoscelis antarctica) on rock with green algae, Hannah Point, Antarctica, Southern Ocean.
Soft leather coral, Sarcophyton sp., bleaching. This soft coral has lost its symbiotic algae, zooxanthellae, and turned white due to high water temperatures. Buyat Bay, North Sulawesi, Indonesia, Pacific Ocean.
Jourdan's turban (turbo jourdani) large gastropod shell, reddish-brown, Rottnest Island reef, wild, day, marine protected area, free-diving off, cool temperate waters of Western Australia. MORE INFO: Marine plant common kelp, a dominant feature of the underwater landscape. Protected areas are covered in lush growth of diverse algae, also red algea are here.
footballer sweep (neatypus obliquus) diagonal yellow bands are edged in black and stand out against the silvery-blue body, wild, day, marine protected area, reef, in small schools diving off Rottnest Island, Western Australia, Indian Ocean. MORE INFO: other name stripey, eating green algae as they sweep over the reef.
Underwater vegetation, predominantly stonewort algae (Chara rusbyana), Sucuri River, Bonito, Mato Grosso do Sul, Brazil, South America
Red and green algae-covered snow on Petermann Island, Antarctica, Southern Ocean
Kelp (Laminaria hyperborea) and dulse ( Palmaria Palmata) exposed at low tide, St. Brides Haven, Pembrokeshire, Wales, UK, Europe
Sponges, algae and corals growing over the external structure of the Fujikawa Maru, Truk lagoon, Chuuk, Federated States of Micronesia, Caroline Islands, Micronesia, Pacific Ocean, Pacific
Man in a boat and underwater vegetation, predominantly stonewort algae (Chara rusbyana), Sucuri River, Bonito, Mato Grosso do Sul, Brazil, South America
Sea Beech (Delesseria sanguinea), classic view of this algae which looks just like a beech tree leaf, St Abbs, Scotland, UK North Sea
Goldline Blenny (Malacoctenus aurolineatus), great profile of head appearing above algae showing all coloration, Cayman Brac, Cayman Islands, Caribbean
(Chromodosis lochi), lovely small colourful nudibranch on algae, Tahiti, French Polynesia
Captive Galapagos giant tortoise (Geochelone elephantopus) with photographer at the Charles Darwin Research Station on Santa Cruz Island in the Galapagos Island Archipelago, Ecuador
Underwater vegetation, predominantly stonewort algae (Chara rusbyana), Sucuri River, Bonito, Mato Grosso do Sul, Brazil, South America
The endemic Galapagos marine iguana (Amblyrhynchus cristatus) foraging for algae underwater in the Galapagos Island Archipeligo, Ecuador
Kelp (Laminaria hyperborea) and dulse ( Palmaria Palmata) exposed at low tide, St. Brides Haven, Pembrokeshire, Wales, UK, Europe
Kelp moved around in the surf. Snares Island, Subantarctic New Zealand.
An AlgaeLink algae growing system that is harvested to make ethanol and biodiesel
Green algae (Caulerpa racemosa), St. Peter and St. Paul's rocks, Brazil, South America
Toxic blue green algae on Haweswater reservoir during a hot summer, Lake District, Cumbria, England, United Kingdom, Europe
Patterns in the kelp at low tide on South Georgia Island in the Southern Ocean. MORE INFO Kelps are large seaweeds belonging to the brown algae (Phaeophyceae) in the order Laminariales.
Edible Crab (Cancer pagarus), robust crab, brown in colour with black tips to claws amidst algae and soft corals, St Abbs, Scotland, UK North Sea
Button-like thalli of Thongweed (Himanthalia elongata), St. Brides Haven, Pembrokeshire, Wales, UK, Europe
Freshwater lake and sand dunes at Ilha Grande de Santa Isabel, Parnaiba River delta, Piaui, Brazil, South America
Freshwater lake and sand dunes at Ilha Grande de Santa Isabel, Parnaiba River delta, Piaui, Brazil, South America
The endemic Galapagos marine iguana (Amblyrhynchus cristatus) feeding on fish at the Puerto Ayora fish market on Santa Cruz Island in the Galapagos Island Archipelago, Ecuador
Arc-eye hawkfish (Paracirrhites arcatus) perched on algae (Microdyction sp.), Ailuk atoll, Marshall Islands, Pacific
Algal turf growth after Sea Empress oil spill, Pembrokeshire (rr)
Coral on the Great Barrier Reef, off Cairns, Queensland, Australia, Pacific
Split image of rocks and green algae (Caulerpa racemosa), St. Peter and St. Paul's rocks, Brazil, South America