Gaviota
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Black headed Gull 1st winter Larus ridibundus Gaviota reidora primer invierno Gavina riallera volant edat primer hivern
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Slender billed Gulls doing the nuptial dance and copulating Larus genei Gaviota picofina Gavina capblanca
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Gaviota Reidora (Larus ridibundus)
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Adult and a 2nd calendar year from Mediterranean Gull Larus melanocephalus Gaviota cabecinegra Gavina Capnegra
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