Can climate explain interannual local extinctions among bird species?
Geographical variations in species richness are strongly related to temperature and precipitation. On ecological time‐scales, these variations in species richness should reflect rates of immigration and local extinction (extirpation). Here we ask whether the probability of local extinction in passerine birds covaries with climate. Specifically, we test whether local extinctions increase with climatic harshness or with the climatic distance from a species' optimal climate.
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