Raw richness may be higher when an abundance distribution is uneven.
Wanstead El Viso St. Catherine's Monastery (fall) St. Catherine's Monastery (spring) Cape Receife Biological Station Rybachy Burullus Ringing Station (Autumn 2005) Antikythira Island (spring 1998) Piémanson Beach Grindul Lupilor Certak Wangasara (Coffee plantation) Ras Shukheir Gombak Field Station Oromia Region (coffee captures) Hohenau-Ringelsdorf Portalban (Wald) Altun Mountains Mount Kalamaili Ungulate Nature Reserve Parco Regionale Gallipoli Cognato Piccole Dolomiti Lucane Otayama Bird-Observatory (1974) Otayama Bird-Observatory (1976) Dawei Shan Nature Reserve Baikka Beel (March 2011) Tanguar (March 2013) Nyeri County Gbelce Portland Bird Observatory Sahambaky, Mahatsara, and Maromizaha Kakamega Forest Tonqani Lake Kuyucuk Bird Ringing Station Bistraya River Yanchiwan National Nature Reserve Lake Turpanie Mt Camagong Boda (1994) Boda (1997) Réserve Naturella d'Intégrale d'Andringitra (720 m) Kanas National Nature Reserve