Fig. 3
[Temperature data available from the U.S. Geological Survey (http://www.usgs.gov/); wind data available from National Oceanic and Atmospheric Administration (http://www.noaa.gov/). Maps were created in ArcMap 10.1 (http://www.esri.com/)]
Average land surface temperature (background map) and wind patterns at 850 kPa pressure level (small arrows) during semi-collared flycatcher spring migration from 10 February to 7 April in a 2014 and b 2015. Black shape outlines semi-collared flycatcher non-breeding range (BirdLife International and NatureServe 2011) and large arrows indicate spring migration routes