Avian Migration

Berthold, Peter; Gwinner, E.; Sonnenschein, E.

Migrating Raptors of the World: Their Ecology and Conservation

BILDSTEIN, Keith L

How Birds Migrate. Second edition

KERLINGER, Paul

Living on the Edge: Wetlands and Birds in a Changing Sahel

ZWARTS, Leo; BIJLSMA, Rob G.; VAN DER KAMP, Jan; WYMENGA, Eddy