Wanstead El Viso Biological Station Rybachy Burullus Ringing Station (Autumn 2005) Grindul Lupilor Ras Shukheir Hohenau-Ringelsdorf Altun Mountains Mount Kalamaili Ungulate Nature Reserve Parco Regionale Gallipoli Cognato Piccole Dolomiti Lucane Dawei Shan Nature Reserve Gbelce Portland Bird Observatory Bistraya River Yanchiwan National Nature Reserve Boda (1994) Boda (1997) The Ecological Register
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Motacilla alba (bird): 17 samples
Standardised estimates are produced by subsampling and then extrapolating.
Raw richness may be higher when an abundance distribution is uneven.