Burullus Ringing Station (Autumn 2005) Foping National Nature Reserve (2020) The Ecological Register
global
North America
United States
South America/Africa
Europe
Eurasia
Africa/Australasia
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Athene noctua (bird): 2 samples
Standardised estimates are produced by subsampling and then extrapolating.
Raw richness may be higher when an abundance distribution is uneven.