Article
Individual responses in spring arrival date to ecological conditions during winter and migration in a migratory bird.
The Journal of animal ecology - 1 Sept 2009
Balbontín Javier, Møller Anders Pape, Hermosell Ignacio G, Marzal Alfonso, Reviriego Maribel, de Lope Florentino
Abstract excerpt
1. We studied lifetime arrival patterns in the barn swallow (Hirundo rustica L.) in relation to variation in ecological conditions, as reflected by the normalized difference vegetation index (NDVI) in the Sub-Saharan winter quarters and at stopover sites in North Africa. 2. Migratory birds have recently advanced their arrival dates, but the relative role of microevolution and phenotypic plasticity as mechanisms...
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