Zeitschriftenartikel
Engel, S.; Biebach, H.; Visser, G. H.: Metabolic costs of avian flight in relation to flight velocity: A study in Rose Coloured Starlings (Sturnus roseus, Linnaeus). Journal of Comparative Physiology B-Biochemical Systemic and Environmental Physiology
176 (5), S. 415 - 427 (2006)