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♦ ¹ROLE OF THE THREE-SPINED STICKLEBACK GASTEROSTEUS ACULEATUS L. IN THE FOOD ECOLOGY OF THE SPOONBILL PLATALEA LEUCORODIA, JAN H. KEMPER, Behaviour 132 (15-16) (1995), p. 1285-1299
♦ ²Diet of the Steller’s Sea Eagle in the Northern Sea of Okhotsk, Irina UTEKHINA, Eugene POTAPOV & Michael J. MCGRADY, First Symposium on Steller’s and White-tailed Sea Eagles in East Asia pp. 71-82, 2000