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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 …

eleven individual photos of different colorful songbird species
Eleven species of Neotropical migrants. Photos by Nick Bayly.

Celebrating World Migratory Bird Day in the Americas

By Catherine Lindell, Editor-in-Chief, Ornithological Applications In honor of World Migratory Bird Day in the Americas on 9 October, we draw attention to some of the articles and blog posts about migratory birds that have been published in the AOS journal, Ornithological Applications (formerly, The Condor), the journal Ornitología Neotropical, and on AOS’s Wing Beat …

Boreal forest canopy. Photo by Brett W. Benz.
Boreal forest from one of the study sites. Photo by Brett W. Benz.

Variation in migration phenology of boreal breeding birds is linked to evolutionary adaptations for long-distance migration

By Ben Winger Linked paper: Migration distance is a fundamental axis of the slow-fast continuum of life history in boreal birds by Benjamin M. Winger and Teresa M. Pegan, Ornithology Recently, it occurred to me that the anticipation and excitement of my first spring migration—experienced more than twenty years ago—continues to inspire my research today, …