ISBN-13: 9783659909160 / Angielski / Miękka / 2016 / 320 str.
Birds as a class of vertebrates posses some unique features which have equipped them with the adaptations for diverse conditions of life.The structural adaptations of the feeding apparatus of birds project an interesting subject for functional morphological studies. Knowledge of functional morphology is essential for all types of morphological studies including systematic investigations, Bock (1974).