Biologists discover migratory patterns of two North American grassland bird species

Studying birds that nest in grasslands on the firing ranges and runways of active military installations is not for the faint of heart, but it proved to be a successful strategy for solving some vexing migration mysteries. Fundamental questions regarding the timing and choice of migration routes, and what that means for conservation of grassland bird populations have been surprisingly difficult to answer—until now. A new paper published in Ecology and Evolution sheds light on the annual movements of two grassland bird species and yields surprising results that may help transform the way we manage grassland bird populations, both across international borders and throughout their annual cycle.

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