Steller's
sea eagle publications list
Arial survey
LADYGUIN, A. Airsurveys of breeding and wintering Steller's sea eagle
at Kamchatka: successes, failures and perspectives
//abstr. at Ist International
Symposium of Steller's eagle conservation.
UTEKHINA, I. 1995. Microlight aerial survey of the Steller's sea eagle
Haliaeetus pelagicus and osprey Pandion haliaetus// Russian Journal of
Ornithology 4:103-105.