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Aerial counts of waterbirds in Doñana marshes |
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AGCV: CERRADO - Brasília, APA Gama Cabeça de Veado - Brazil |
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Alice Holt: UK Environmental Change Network (ECN) bird data: 1995-2015 |
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Alice Holt: UK Environmental Change Network (ECN) common breeding bird data: 1971-2007 |
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Baixo Sabor LTER - Portugal |
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Bird monitoring in Samaria National Park |
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Botanic Garden Meise - Belgium |
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Brazilian North Parana state Seasonal Atlantic Forest - Brazil |
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Cairngorms: UK Environmental Change Network (ECN) bird data: 1995-2015 |
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Danube Delta bird census |