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To understand flapping flight, first look at an airplane propeller and understand how thrust is generated. In part 2, we will use this knowledge to explain thrust produced by a bird's wing.
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This summer, students enrolled in CAS biology 407—Animal Behavior—got to sharpen their observational skills by traveling to the Boston Public Gardens to observe how animals such as birds and squirrels behave in their natural settings. On this [...]day, the class was observing vigilance in squirrels and at what point they initiate flight in the face of potential predators.
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