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Birdscope

SPRING 2007/VOLUME 21, NUMBER 2

Macaulay Library Launches "Big Year" Expeditions

A 365-day quest for recordings of North American birds


The View from Sapsucker Woods

Do we have to choose between birds and wind energy?


Did You Know . . .

Migration Facts from The Birds of North America Online


Cry of a Limpkin, Hiss of a Vulture

Florida expedition yields rare recordings of birds


The Rainforest Home of the White-ruffed Manakin

In Costa Rica, an undergraduate seeks genetic clues to the consequences of deforestation



A Bird Count for History

Great Backyard Bird Count sets a new record


Robins as Far as the Eye Can See

Massive winter roost reported in Great Backyard Bird Count


Why Did House Sparrow Numbers Rise, then Fall?

Citizen-science data point to competition with House Finches


Insights from 60,000 Nests

A decade of results from The Birdhouse Network





Uncle Hanni's Eggs

More than 5,000 hand-painted eggs were a labor of love




Book Review

101 Ways to Help Birds By Laura Erickson, Stackpole Books




White-breasted Nuthatch

The Birdhouse Network's Most Wanted — Twelfth in a series


 
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