The 1974 field research in the Jackson Hole area was carried out from May 18 to September 9, 1974. Comparative observations were centered on the development of signal competence during various stages of the game animal life span. Particular interest concerned the signal reactions of elk and moose calves and adolescents. Project Number 124.
"Report on the 1974 Study Phase of the Investigation of Communication Systems in Free-Ranging Wild Ungulates,"
Jackson Hole Research Station Annual Report: Vol. 1974
, Article 2.
Available at: http://repository.uwyo.edu/jhrs_reports/vol1974/iss1/2