Publication Type: Journal Article Authors: Spalding, Marilyn G.; Smith, Jeff P.; Forrester, Donald J. Source: Auk, Volume 111, Issue 2, p.328-336 (1994) Call Number: A94SPA02NAUS URL:https://sora.unm.edu/sites/default/files/journals/auk/v111n02/p0328-p0336.pdf 0 No observations