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. 2014 May 14;9(5):e97152. doi: 10.1371/journal.pone.0097152

Figure 2. Relationship between westerly wind speed during migration and apparent annual survival of yellow warblers.

Figure 2

Points are apparent annual survival (± SE) of young (1 yr, open points) and older (≥2 yrs, filled points) birds for 2004 to 2012. Solid lines and shading represent predicted apparent annual survival (φ) ±95% CI from the top model assuming an average southerly wind vector.