Yu. N. Glushchenko, D. V. Korobov, I. M. Tiunov, D. A. Belyaev, I. O. Katin - Population Dynamics and Phenotypic Hybrids of the Black-Faced Spoonbill Platalea minor Temminck et Schlegel, 1849 (Ciconiiformes: Threskiornithidae) on Furugelm Island (Peter the Great Bay, Sea of Japan)

BIOLOGIYA MORYA, 2026, Vol. 52, No. 3, pp. 214-220

Population Dynamics and Phenotypic Hybrids of the Black-Faced Spoonbill Platalea minor Temminck et Schlegel, 1849 (Ciconiiformes: Threskiornithidae) on Furugelm Island (Peter the Great Bay, Sea of Japan)

¹Pacific Geographical Institute, Far Eastern Branch, Russian Academy of Sciences, Vladivostok, Russian Federation;
²Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch, Russian Academy of Sciences, Vladivostok, Russian Federation;
³Primorsky State Agrarian-Technological University, Ussuriisk, Russian Federation;
⁴Joint Directorate of the Kedrovaya Pad State Nature Biosphere Reserve and the Vorontsov Land of the Leopard National Park, Vladivostok, Russian Federation;
⁵Zhirmunsky National Scientific Center of Marine Biology, Far Eastern Branch, Russian Academy of Sciences, Vladivostok, Russian Federation

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Counts of the Black-faced Spoonbill were conducted on Furugelm Island in 2021 and 2025. Since the discovery of a single breeding pair in 2003, their number steadily increased, reaching 41 pairs in 2025. Two adult birds recorded from the colony in 2025 were identified as hybrids with the Eurasian Spoonbill (Platalea leucorodia), representing 2.4% of the total breeding population.

Key words: abundance, hybrids, Peter the Great Bay, Black-Faced Spoonbill, Spoonbill.