[Tweeters] Reserves Along the Columbia

[jimbetz at jimbetz.com]

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   I was chasing a link earlier today that took me to google maps
for a small section of the Columbia River.  Expanding and
exploring I found that there are NWRs all up and down the river
and on both sides.  I'm not surprised by this - but didn't know
about it.

   My questions are:

   1) If you bird one/some of these do you find them "productive"?
   2) References?
   3) Are there specific seasons of the year when they are more
      productive than other times?
   4) Is there a time of day that you prefer/find more productive?
   5) Is the state of the tide important in the lower Columbia?  I'm
      guessing it is - so please add in what stage of the tide seems
      to be better.  And also how far up the Columbia is the tide
      important to the birding?
                                          - Jim in Burlington