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Let's examine the anatomy of birds and their vital processes from the point of view of flying.
Author: Prazsák-Hajnal Krisztina
Reviewer: Horváthné Kunstár Andrea, Márton Gábor
aviation, bird, birds, energy demand, energy, high-energy, beak, kloáka, feeding, respiration, life processes, removal, cardiovascular system, double respiration, circulatory system, body temperature, bird feeder, hummingbird, Red crossbill, szirti sas, goldfinch, hoopoe, common blackbird, white stork, Eurasian spoonbill, avocet, marsh harrier, predator, granivorous, omnivorous, herbivore, nectarivore, biology, animals, anatomy, zoology, nature study
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