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António A Gonçalves: Riparia riparia - Andorinha das Barreiras/Sand Martin (juv)
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António A Gonçalves: Riparia riparia - Andorinha das Barreiras/Sand Martin (juv)
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António A Gonçalves: Hirundo rustica
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António A Gonçalves: Hirundo rustica - Andorinha das Chaminés/Barn Swallow
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António A Gonçalves: Hirundo rustica - Andorinha das Chaminés/Barn Swallow (juv)
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António A Gonçalves: Hirundo rustica - Andorinha das Chaminés/Barn Swallow
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António A Gonçalves: Hirundo rustica - Andorinha das Chaminés/Barn Swallow
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António A Gonçalves: Hirundo rustica - Andorinha das Chaminés/Barn Swallow
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António A Gonçalves: Cecropis (Hirundo) daurica - Andorinha dáurica/Red-rumped Swallow
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António A Gonçalves: Cecropis (Hirundo) daurica - Red-rumped Swallow/ Andorinha dáurica
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António A Gonçalves: Cecropis (Hirundo) daurica - Red-rumped Swallow/ Andorinha dáurica
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António A Gonçalves: Hirundo tahitica - Pacific Swallow
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António A Gonçalves: Ptyonoprogne rupestris - Andorinha das Rochas/Crag Martin
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António A Gonçalves: Ptyonoprogne rupestris - Andorinha das Rochas/Crag Martin
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António A Gonçalves: Hirundo rustica