We thank Robinson et al. (1) for their interest in our paper quantifying the global species abundance distribution (gSAD) of birds (2). We agree with some of their points regarding… Click to show full abstract
We thank Robinson et al. (1) for their interest in our paper quantifying the global species abundance distribution (gSAD) of birds (2). We agree with some of their points regarding uncertainty and bias. As mentioned in the original article, uncertainty for some species is very large, and we reiterate that for many species of conservation interest there are less uncertain datasets—usually derived from structured sampling—that should be used for conservationbased decisions. We do not suggest that our estimates should be used in place of better, high-quality data. However, this local-scale, highly structured data approach cannot be scaled up to all species. Consequently, data integration is a key frontier in ecology
               
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