About The Author

Franz is the director of the Institute of Avian Research in Wilhelmshaven, Germany.

Endogenous Control Of Migratory Fueling In A Songbird

The fascination of bird migration lies in the performance of stunningly well-organized journeys by animals of very small size. Birds need to choose the right direction and timing, deal with a variety of environmental conditions and predators, and manage their energy reserves to overcome long-distance flights. Scientists have since long tried to understand how birds