Azraq Wetland Reserve Dicle Ringing Station (spring 2004) Antikythira Island (spring 1998) Piémanson Beach Ras Shukheir Oromia Region (coffee captures) Otayama Bird-Observatory (1974) Otayama Bird-Observatory (1976) Otayama Bird-Observatory (1977) The Ecological Register
global
North America
United States
South America/Africa
Europe
Eurasia
Africa/Australasia
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Otus scops (bird): 9 samples
Standardised estimates are produced by subsampling and then extrapolating.
Raw richness may be higher when an abundance distribution is uneven.