Manuscript that appears to be an initial edit of a lecture. The manuscript describes the author's efforts in collecting data, combining the results and findings of three exploratory trips.
Manuscript containing excerpts from the "Plume hunting", "Grebe hunting", and "Notes on grebe skin traffic" manuscripts. This document further expands upon the motivation of plume hunting. Author also provides physical description, observations of behavior, and figurative description of some specimens in the wild.