[TN-Bird] Nighthawk Detecting Limitations

  • From: eyesew@xxxxxxxxx (Virginia Curtis)
  • To: tn-bird@xxxxxxxxxxxxx
  • Date: Sat, 4 Sep 2004 07:37:41 -0500

Chuck Nicholson's reply to our observation of the change of direction
for the migrating nighthawks from east to west on Thursday night to
south to northeast on Friday night makes sense.  It is obvious that
birds are able to detect changes in air pressure from impending weather
fronts.  But my question is how far away these changes have to be for
birds to detect them.  If they felt something from the rainstorms in
Alabama, could it be possible they also felt something from the
hurricane approaching the east coast of Florida?  Are there any studies
which would help us understand the marvelous abilities God gave to birds
like these?

Virginia & Tommy Curtis
Smithville, TN
DeKalb County

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