![A male cluster fly suns on the siding of the Kenai National Wildlife Refuge headquarters building, March 23, 2015 (http://bit.ly/1IFhfuB).](http://www.akentsoc.org/wp-content/uploads/2015/12/Pollenia_1334104-300x200.jpg)
A male cluster fly suns on the siding of the Kenai National Wildlife Refuge headquarters building, March 23, 2015
(http://bit.ly/1IFhfuB).
I was asked to write this article for the Kenai National Wildlife Refuge‘s Refuge Notebook series.
It also appeared here in the Peninsula Clarion.