The Dangers of Teaching, Part 7: Double Entendre Edition

Allow me to revive a long dormant series about teaching.

I was talking to my environmental history class about how the fur trade changed animal populations. I was discussing how trapping beaver ultimately mattered less to the Native American cultures of the Great Lakes than killing off deer, bear, and bison populations, because they ate those animals and didn't usually eat beav.... Thank God I stopped myself in time, but not before there was some good ol' nervous laughter throughout the room.