![](http://www.birdsource.org/gbbc/images2/images-for-2011-web/2010-web-buttons/GBBC2011_blogbutton4.jpg)
The Great Backyard Birdcount is an annual event in which birders count the birds in thier backyard (or while out birding) and report on the number of each species. This "citizen science" project, run by Cornell University, provides valuable information on bird population and migration.
No comments:
Post a Comment