Memories Can Be Injected and Survive Amputation and Metamorphosis

There has always been huge uncertainty as to how migrating animals learn where to go.  The cuckoo is a perfect example, as the newly hatched birds must travel from Europe to The Congo Basin for the winter, but how do they know the way (as their parents departed sometime before and they travel on their own)?  The route is not a straight one and they must stop as various places on the way to “refuel” (eat hairy caterpillars) in order to be able to cross the Sahara.

Here is an explanation:

Richard Nissen

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