American holly tree at the Richardson Preserve on Wilmarth Street. Image credit: C. Adler Boughs of holly festoon the Richardson Preserve Posted on December 18, 2019February 27, 2020 by caa After 24 hours of rain, sleet, and snow, the Richardson Nature Preserve glistened on the morning of December 18, 2019. An American holly tree is in the foreground. The red berries, found only on female trees, provide food for many birds. Posted in OBSERVATION and tagged richardson.