动物飞行 是指在动物世界中有许多种类的动物具有飞行能力，其中以鸟类为最。飞机的发明在许多方面受到鸟的启示。
乘客们经常说，看到动物让他们感觉好多了，这可以帮助他们在飞行前冷静下来。
The passengers often say that seeing animals makes them feel much better and helps them to calm down before a flight.
另一个饲养员和一名兽医与这些动物一起飞行，以防它们在旅程中受到任何不良的影响。
Another keeper and a vet flew with the animals to make sure they suffered no ill effects from the journey.
赫胥黎推断，会飞的脊椎动物一定是温血动物，因为飞行意味着较高的新陈代谢率，而新陈代谢率又意味着较高的内部温度。
Huxley reasoned that flying vertebrates must have been warm-blooded because flying implies a high rate of metabolism, which in turn implies a high internal temperature.
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