It is hot and muggy at Port Republic, NJ. And the mosquitoes offer no respite. Still with bug spray and a breeze sitting outside watching the birds fly can be acceptable. On this day doing just that, I watch the birds flying around the trees. Darting in and out of the branches as if the were pilots in a dogfight. What speed the are doing this I have no knowledge of but to watch I think of jet fighters. They are fast and very acrobatic in there travels.
And then I begin to wonder. How do they know, without instrumentation, which direction they are going? What altitude they are? How do they get back from wherever they started? What do they use as markers? How can they twist and turn to catch bugs, their food, on the fly? All questions I do not have answers for but questions that keep my mind active and in wonder.
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