March 16, 2007

Instinct or Evolution

How do we reconcile instinct with evolution? I saw this flock of birds flying on the way to work, and it was absolutely spectacular. That 50 or so birds could fly absolutely in sync in these crazy patterns just floored me for some reason. "So, how do birds know how to follow the leader, and trade off, etc." "Well, that's instinct." Ok, well, if everything cool about animals is instinctual, then why is evolution necessary? Doesn't instinct, by nature, not require evolution?

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