Ken Kaufman wrote:

>How do I know what species are recorded for a given block?  There are
>complete lists available for every single block (updated through last
>January's data) on the Black Swamp Bird Observatory website -- just go to
>this address:
>http://www.bsbo.org/winter_bird_atlas/winter_bird_atlas_instructions.htm


I had found the lists Ken refers to, plus there is a pdf chart listing
blocks with less than 20 species reported, including the number of species.
Since I found several discrepancies, I assumed the species lists were not up
to date, i.e. at least last year's data was not included.

For example, the chart for blocks with 6-20 species includes 67A6 with 12
species, but the list of species includes only 3. Similarly, for 67B6  the
chart indicates 12 species, but only 9 are listed.

Is there an explanation for this? I plan to try to help out with a few of
these blocks, but I would like to know if I am really contributing.

Gene Stauffer
Grove City

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