3 ms·

I'm a little sorry I clicked on "Net population change in North American birds" https://bionumbers.hms.harvard.edu/bionumber.aspx?id=117281&ver=3&trm=&org= htt

• csa 6y ago
  Could someone with knowledge of birds and/or the methodology explain why the confidence intervals for the coasts and Arctic tundra biomes are so wide? Are those bird populations just that difficult to count or estimate, is the data set just insanely small (if so, why?), or is there some other reason?