In this paper we examine the migration behaviour of the red-billed quelea in Zimbabwe just prior to the migration that is prompted by the arrival of rains. We relate the migration behaviour to the energetic condition of the birds and the hypothesised migration directions.
Dallimer, M.; Jones, P.J. Migration orientation behaviour of the red-billed quelea Quelea quelea. Journal of Avian Biology (2002) 33 (1) 89-94. [DOI: 10.1034/j.1600-048X.2002.330114.x]