Wanstead Nyong River Sandrock Cliff (spring) Paya Indah Wetland Reserve Zika Forest (outside) Cascades Region (2011) Sungei Mandai Camargue National Park Ngulia Safari Lodge Cape Receife Biological Station Rybachy Paso de Portachuelo Burullus Ringing Station (Autumn 2005) Azraq Wetland Reserve Dicle Ringing Station (spring 2004) Antikythira Island (spring 1998) Creamer’s Field Migratory Waterfowl Refuge (fall) Grindul Lupilor Kuala Keniam Ras Shukheir Finca Caobanal Berkelah Hill Dipterocarp Rainforest Reserve Maran (recently logged forest) Agusan Marsh Site 3 Hohenau-Ringelsdorf Portalban (Wald) Laudholm Farm Puerto Barrios (mist netted birds) Baikka Beel (March 2011) Gbelce Portland Bird Observatory Kabwe Tonqani Lake Kuyucuk Bird Ringing Station Tantramar Marshes Charlotte County Lake Turpanie Tolg The Ecological Register
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Hirundo (bird): 37 samples
Standardised estimates are produced by subsampling and then extrapolating.
Raw richness may be higher when an abundance distribution is uneven.