John Abbott / Lava gull (Leucophaeus fuliginosus) on beach, Genovesa Island, Galapagos
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Ole Jorgen Liodden / Lava Gull (Leucophaeus fuliginosus) on igneous coastal rocks. Galapagos
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Juan Carlos Munoz / Lava gulls (Leucophaeus fuliginosus) perched on a rock face. Galapagos Islands, Jan 2009
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Juan Carlos Munoz / Lava gulls (Leucophaeus fuliginosus) perched on rocks in the sea. Galapagos Islands, Jan 2009
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Tui De Roy / Lava Gull (Larus fuliginosus) feeding on mullet in salt pond, Galapagos Islands, Ecuador
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Tui De Roy / Lava Gull (Larus fuliginosus) pair, Galapagos Islands, Ecuador
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Tui De Roy / Lava Gull (Larus fuliginosus) scavenging dead puffer fish, Galapagos Islands, Ecuador
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Tui De Roy / Lava Gull (Larus fuliginosus) scavenging dead puffer fish, Galapagos Islands, Ecuador
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Jack Dykinga / Two swallow-tailed gulls (Creagrus fucatus) on their nest in a lava flow on Genovesa (Tower) Island, known as the "Island of Birds", Galapagos
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Jack Dykinga / Two swallow-tailed gulls (Creagrus fucatus) at their nest in a lava flow on Genovesa (Tower) Island, known as the "Island of Birds", Galapagos
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Nick Garbutt / Dusky / Lava Gull (Leucophaeus fuliginosus) hitching ride on boat. Galapagos Islands.
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Pete Oxford / Lava / Dusky gull {Leucophaeus fuliginosus} Isabela Is, Galapagos, endemic, rarest gull in the world