Guánica El Verde Field Station (30 mm mesh) El Verde Field Station (36 mm mesh) Cozumel Island (birds, 2004 - 2007) The Ecological Register
global
North America
United States
South America/Africa
Europe
Eurasia
Africa/Australasia
•
•
•
•
Spindalis zena (bird): 4 samples
Standardised estimates are produced by subsampling and then extrapolating.
Raw richness may be higher when an abundance distribution is uneven.