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SECOND ATLAS OF
BREEDING BIRDS
in Pennsylvania
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In depth
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Species Maps
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Breeding Codes
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Species:
Map Breeding Status:
1
st
Atlas
2
nd
Atlas
(number of blocks)
Status
first Atlas
1983 - 1989
second Atlas
2004 - 2009
Change
%
Possible
-
-
-
Probable
-
-
-
Confirmed
-
-
-
Total
-
-
-