Yakutat Creamer’s Field Migratory Waterfowl Refuge (spring) Creamer’s Field Migratory Waterfowl Refuge (fall) Finca La Bella Calling Lake (control) Laudholm Farm Federal University of Acre The Ecological Register
global
North America
United States
South America/Africa
Europe
Eurasia
Africa/Australasia
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Empidonax alnorum (bird): 7 samples
Standardised estimates are produced by subsampling and then extrapolating.
Raw richness may be higher when an abundance distribution is uneven.