Answers are grounded in this paper and cite their sources.
David K. Garcelon, Mark S. Martell, Patrick T. Redig, , Morphometric, Karyotypic, and Laparoscopic Techniques for Determining Sex in Bald Eagles, The Journal of Wildlife Management, Vol. 49, No. 3 (Jul., 1985), pp. 595-599
No takes yet. Share an insight, caveat, or question.
Garcelon et al. (1985) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: