CRANE GRUS GRUS MIGRATION OVER SEA AND LAND

@inproceedings{Alerstam2008CRANEGG,
  title={CRANE GRUS GRUS MIGRATION OVER SEA AND LAND},
  author={Thomas Alerstam},
  year={2008}
}
Summary The detailed process of Crane Grus grus migration over sea and land, respectively, was studied from films of a radar station in Skane, southernmost Sweden, during the spring migratory periods in 1972 and 1973. The true air speed for travelling over the sea was 67 km h-1, whereas over land the Cranes made use of thermal air to soar and gain height and the true air speed was 44 km h-1. Soaring lasted on the average 6.3 min and the distance travelled between the soaring… CONTINUE READING