Emily E. Graves, Marcel Holyoak, T. Rodd Kelsey and Robert J. Meese Understanding the contribution of habitats and regional variation to long-term population trends in tricolored blackbirds Ecology and Evolution 3
We document historical (>100 year) population trends in America's most colonial songbird, and relate regional variation to the frequency of different breeding habitats and trends within those habitats. We find a substantial geographical change in the distribution that was accompanied by changes in the habitats used. The results challenge us to understand within-habitat demography and movements among habitat types.
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