Pasoh Forest Reserve (virgin forest) Pasoh Forest Reserve (regenerating forest) Muraviovka Park Kuala Keniam Certak Wat Phai Lom (1969) Wat Phai Lom (1970) Berkelah Hill Dipterocarp Rainforest Reserve Maran (thirty year old logged forest) Portalban (Wald) Gutianshan National Nature Reserve Parco Regionale Gallipoli Cognato Piccole Dolomiti Lucane Otayama Bird-Observatory (1975) Otayama Bird-Observatory (1977) Foping National Nature Reserve (2020) Fanjingshan National Nature Reserve The Ecological Register
Picus (bird): 15 samples
Standardised estimates are produced by subsampling and then extrapolating.
Raw richness may be higher when an abundance distribution is uneven.