"Eastern yellow robin" by Taken byfir0002
"There has been a growing interest in preserving or increasing the biodiversity of songbirds in urban areas."
Calvin College biology professor Darren Proppe talks with BBC News about a research study he recently completed that tests the hypothesis that there is a link between bird diversity and noise levels.
Paul B. Henry Lecture: Nebraska Senator Ben Sasse
- 7:30 PM
- Friday, April 28, 2017
- Prince Conference Center