Nick Upton / Audouin's gull (Ichthyaetus audouinii / Larus audouinii) scavenging on a beach near sunbathing tourists, Mallorca, Spain, August.
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Nick Upton / Audouin's gull (Ichthyaetus audouinii / Larus audouinii) in flight overhead, Mallorca, Spain, August.
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Nick Upton / Audouin's gull (Ichthyaetus audouinii / Larus audouinii) drinking seawater on a rocky shore, Mallorca, Spain, August.
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Juan Manuel Borrero / Illustration of Audouin's Gull (Larus audouinii). Near Threatened species. Pencil and watercolor painting.
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Juan Manuel Borrero / Illustration of seagulls. Caspian Gull (Larus cachinans), Audouinas Gull (Larus audouinii), Common Black-headed Gull (Chroicocephalus ridibundus). Pencil, watercolor and pastel illustration
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Roger Powell / Immature Audouin's gull (Larus audouinii) in flight. Platja del Trabucador, Ebro Delta, Catalonia, Spain. April.
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Roger Powell / Adult Audouin's gull (Larus audouinii) resting on beach. Platja del Trabucador, Ebro Delta, Catalonia, Spain. April.
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David Perpinan / Audouin's gull (Larus audouinii) chick in nest, panting due to summer temperatures, Tarragona, Spain, June.
David Perpinan / Group of Audouin's gull (Larus audouinii) in a breeding colony, Tarragona, Spain, June.
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David Perpinan / Audouin's gull (Larus audouinii), chick held during bird ringing, Tarragona, Spain, June.
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David Perpinan / Audouin's gull (Larus audouinii), Chick on its nest, Alert behaviour resting flat and immobile while researchers ring chicks of a nearby nest, Tarratgona, Spain, June.
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Roger Powell / Audouin's gull (Larus audouinii) male display calling over its breeding territory. Ebro Delta marismas , Catalonia, Spain, May.
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Roger Powell / Audouin's gull (Larus audouinii) in flight. Ebro Delta marismas , Catalonia, Spain, April.