Comment on "Interspecific competition limits bird species' ranges in tropical mountains".

Dingliang Xing Zhiheng Wang Fangliang He

Published in: Science (New York, N.Y.) (2023)

Freeman et al . (Reports, 22 July 2022, p. 416) argue that interspecific competition rather than climate is the leading driver of bird species' elevational ranges. A reanalysis of their data shows no support for the competition hypothesis, but a strong effect of climate seasonality on species ranges. Their results are artifacts arising from a suboptimal model that misses important variables.

Keyphrases

climate change
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