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Property Organism Value Units ID Details
Estimated time range of diversification of birds and mammals Various 312.3e+6 - 330.4e+6 years 105155 Donoghue PC, Benton MJ....
Net population change in North American birds Biosphere Table - link % change since 1970 117281 Rosenberg KV et al.,...
Sketches of red blood cells taken from various vertebrate species vertebrates Figure link - link N/A 108664 Goehring NW, Hyman AA....
Net change in abundance across the North American avifauna, 1970-2017 Biosphere Table - link N/A 117282 Rosenberg KV et al.,...
Net change in abundance across North American bird families, 1970-2017 Biosphere Table - link N/A 117283 Rosenberg KV et al.,...