El Viso St. Catherine's Monastery (fall) St. Catherine's Monastery (spring) Zika Forest (outside) Camargue National Park Ngulia Safari Lodge Biological Station Rybachy Burullus Ringing Station (Autumn 2005) Azraq Wetland Reserve Dicle Ringing Station (spring 2004) Antikythira Island (spring 1998) Piémanson Beach Mumao Grindul Lupilor Certak Hohenau-Ringelsdorf Portalban (Wald) Mata Nacional do Choupal Col de Bretolet Mooswald Portland Bird Observatory Balmoral Copper Chalice Kabwe Kakamega Forest Tonqani Lake Kuyucuk Bird Ringing Station Dzanybek Research Station Umea Boda (1990) Boda (1997) Rickebasta (1996) Rickebasta (1997) Tolg Egeside sjö The Ecological Register
global
North America
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South America/Africa
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Africa/Australasia
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Sylvia borin (bird): 35 samples
Standardised estimates are produced by subsampling and then extrapolating.
Raw richness may be higher when an abundance distribution is uneven.