As a teenage boy on the farm in Iowa, I experienced a horde of grasshoppers while unloading a wagon of oats. The surface was covered with grasshoppers! It was not difficult to grab one, and when I did, it would “spit tobacco.” I have since learned that spitting a dark liquid is a defense mechanism. Memories like this one have stuck with me, and in part fueled my interest in the mass of grasshoppers that somehow ended up in Rocky Mountain glaciers. …

This Field Note was written by Terry Habeger. Would you be interested in writing one? Contact Allison De Jong, Field Notes editor, at adejong [at] montananaturalist [dot] org or 406.327.0405. Please visit the Field Notes website at the Montana Natural History Center for more information.