Tue Sep 4, 10:20 AM ET

Visitors to Cornell University's ornithology lab can use powerful spotting scopes, like the one shown here in 2006, to observe the activity of Canada geese and mallard ducks in a pond adjacent to the visitor center. The research facility is located in Ithaca, in the Finger Lakes region of west-central New York. (AP Photo/Ann Levin)

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