Barn Swallow (Hirundo rustica) fledglings use crop habitat more frequently in relation to its availability than pasture and other habitat types

Chloe Boynton
Populations of birds that forage on aerial insects have been declining across North America for several decades, but the main causes of and reasons for geographical variation in these declines remains unclear. We examined the habitat use and survival of post-fledging Barn Swallows (Hirundo rustica), near Vancouver, BC, Canada using VHF radio telemetry. We predicted that fledgling Barn Swallows hatched in higher quality natal habitat (pasture) would fledge at higher quality, stay closest to the...
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