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Num Mark Subjects (1-8 of 8) Year Entries
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Birds Counting -- See Also Bird populations Estimates


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2 Birds -- Counting.   7
3 Birds -- Counting -- Alaska : Big years, biggest states birding in Texas and Alaska / Lynn E. Barber  2020 1
4 Birds -- Counting -- Canada -- Anecdotes : Extreme birder : one woman's big year / Lynn E. Barber  2011 1
5 Birds -- Counting -- Congresses. : Estimating numbers of terrestrial birds : proceedings of an international symposium held at Asilomar, California, October 26-31, 1980 / editors, C. John Ralph and J. Michael Scott ; sponsors, California Natural Resources Federation ... [and others]  1981 1
6 Birds -- Counting -- Europe. : A best practice guide for wild bird monitoring schemes / editors, P. Voříšek ... [and others]  2008 1
7 Birds -- Counting -- Texas   2
8 Birds -- Counting -- United States -- Anecdotes : Extreme birder : one woman's big year / Lynn E. Barber  2011 1
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