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Index Entry
Bird’s Nest As A Tool:
“impressive thing. You find all the living creatures are, relative to man, much more specialized. The bird is a very good flier, but the bird can’t get rid of its wings when it’s not flying; therefore it has a very hard time walking. And the fish can get on beautifully as a specialist, but it can’t walk at all. We find that all the species that have become extinct have all become extinct by virtue of overspecialization.”
