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SPRING 2007/VOLUME 21, NUMBER 2
Macaulay Library Launches "Big Year" Expeditions
A 365-day quest for recordings of North American birds
The Rainforest Home of the White-ruffed Manakin
In Costa Rica, an undergraduate seeks genetic clues to the consequences of deforestation
Why Did House Sparrow Numbers Rise, then Fall?
Citizen-science data point to competition with House Finches |
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