Ingo Arndt / African Jacana (Actophilornis africana) foraging near Hippopotamus (Hippopotamus amphibius) amid water lettuce, Masai Mara National Reserve, Kenya
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Gerry Ellis / Hippopotamus (Hippopotamus amphibius) swimming in water lettuce, with Cattle Egret (Bulbulcus ibis) perched on head, Serengeti National Park, Tanzania
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Mitsuaki Iwago / Hippopotamus (Hippopotamus amphibius) emerging from a river full of water lettuce, Botswana
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Tony Heald / RF- Hippopotamus (Hippopotamus amphibius) surrounded by water lettuce. Kruger National Park, South Africa. (This image may be licensed either as rights managed or royalty free.)
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Alex Mustard / Yellow cabbage coral (Turbinaria reniformis) growing on a coral reef, surrounded by scalefin anthias: Pseudanthias squamipinnis. Ras Mohammed National Park, Sinai, Egypt. Red Sea
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Tony Wu / Skeleton shrimp (Caprella bispinosa) female and babies on Sea lettuce. Venomous spikes on female used to protect young. Hokkaido, Japan. May.
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Loic Poidevin / Egyptian goose (Alopochen aegyptiaca) swimming through water lettuce with goslings, Masai Mara River, Kenya, March
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Nick Upton / Seaweeds including Thongweed / Sea thong (Himanthalia elongata), Tangleweed kelp (Laminaria digitata), Toothed wrack (Fucus serratus) and Dulse (Palmaria palmata). Exposed on rocky shore on low spring...
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Alex Mustard / Cabbage coral / lettuce coral (Echinopora lamellosa) growing in shallow water. This coral grows at 5mm per year, so have been growing in this spot for more than 1000 years. Manado Bay, Manado, North S...
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Ashley Cooper / Lettuce crop harvest in a field near Sorbas, Southern Spain. May.
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Tony Heald / Hippopotamus (Hippopotamus amphibius) in pond, surrounded by Water lettuce (Pistia stratiotes). Mana Pools National Park, Zimbabwe.
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David Fleetham / Lettuce coral (Turbinaria sp) in reef, Fiji.
