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Welcome to BCNA

The Boulder County Nature Association is a private, non-profit membership organization committed to preserving the natural history of our region through research, documentation, and public education. We conduct field studies of wildlife and native plant communities; provide natural history information to public agencies; offer field ecology classes on bats, birds, butterflies, wild orchids, geology; and organize an annual symposium on the status of Boulder County ecosystems.

To learn how you can participate, click on Volunteer Opportunities, Classes, or Publications and Research.

BCNA News and
Announcements

Winter Calendar
Winter 2010 newsletter
Winter-Spring 2010 Classes


BCNA wintering raptors.
Newly expanded report covers 1989-90 through 2007-08.

Weather summary for 2009 and the past decade.

Young Bald Eagle

Young Bald Eagle 1/20/10 - G. Oetzel
BCNA site The Web
Nature Almanac icon
An archive of downloadable audio from the monthly series of short programs on KGNU, featuring Steve Jones and Ruth Carol Cushman. For each program, they visit a Boulder County nature site to record sounds there and discuss topics of interest.

There is a Web page for each month with pictures and text in addition to the audio links. The mp3 files typically are about 3.5 MB.

Feb 2010 Audio Wood Ducks on the Front Range. February Web page

Nature-Net is BCNA's email forum for announcements of classes and trips
and discussions of many topics relating to Boulder County's natural environment.
Nature-Net subscription information
updated 2/6/2010