Craig R. Ely, Christian P. Dau, Christopher A. Babcock, Decline in a Population of Spectacled Eiders Nesting on the Yukon-Kuskokwim Delta, Alaska, Northwestern Naturalist, Vol. 75, No. 3 (Winter, 1994), pp. 81-87
No takes yet. Share an insight, caveat, or question.
Ely et al. (1994) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: