Camarillo Oak Grove County Park Hopland Research and Extension Center National Natural Park Chingaza China Creek Park Drivers Flat (birds) The Ecological Register
global
North America
United States
South America/Africa
Europe
Eurasia
Africa/Australasia
•
•
•
•
•
Carduelis psaltria (bird): 5 samples
Standardised estimates are produced by subsampling and then extrapolating.
Raw richness may be higher when an abundance distribution is uneven.