Audubon's 110~(th)Annual Christmas Bird CountDecember 14, 2009 - January 5, 2010

摘要

Since the Christmas Bird Count began over a century ago,it has relied on the dedication and commitment of volunteercitizen scientists. In other words, it all starts with you!Everyone can participate from first time birders to experts andeveryone in between. Come be a part of the Longest runningwildlife census. The information we collect will help theAudubon as well as other organizations assess the health of birdpopulations.