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Orange-crowned Warbler (Leiothlypis celata), one of the most common warblers that uses Iona Island as a migration stopover site in southwestern British Columbia every year. Photo credit: Brendan Toews.
Orange-crowned Warbler (Leiothlypis celata), one of the most common warblers that uses Iona Island as a migration stopover site in southwestern British Columbia every year. Photo credit: Brendan Toews.

Should they stay or should they go: What drives variation in refueling rates and stopover length among migrating songbirds?

By Kiirsti Owen, Andrew Huang, and Devin R. de ZwaanLinked paper: Mass gain and stopover dynamics among migrating songbirds are linked to seasonal, environmental, and life-history effects, by D.R. de Zwaan, A. Huang, Q. McCallum, K. Owen, M. Lamont, & W. Easton. Ornithology. Anyone who has stopped to fuel up their car has thought to …