An amendment to this paper has been published and can be accessed via a link at the top of the paper.
View Article and Find Full Text PDFMigratory species display a range of migration patterns between irruptive (facultative) to regular (obligate), as a response to different predictability of resources. In the Arctic, snow directly influences resource availability. The causes and consequences of different migration patterns of migratory species as a response to the snow conditions remains however unexplored.
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