Thanks! It’s worth noting that the rainforest and Cerrado numbers in that piece are very rough guesses based on limited and noisy data. As one friend of mine would say, I basically pulled those numbers out of my posterior (...distribution). :) Also, even if that comparison is accurate, it’s just for one region of the world; it may not apply to the difference between, e.g., temperate forests and grasslands. All of that said, my impression is that crop fields do tend to have fewer mammals and birds than wild grassland or forest. For birds, see the screenshot of a table in this section.
Thanks! It’s worth noting that the rainforest and Cerrado numbers in that piece are very rough guesses based on limited and noisy data. As one friend of mine would say, I basically pulled those numbers out of my posterior (...distribution). :) Also, even if that comparison is accurate, it’s just for one region of the world; it may not apply to the difference between, e.g., temperate forests and grasslands. All of that said, my impression is that crop fields do tend to have fewer mammals and birds than wild grassland or forest. For birds, see the screenshot of a table in this section.