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Leptoptilos lüi : ウィキペディア英語版 | Leptoptilos lüi
''Leptoptilos lüi'' is an extinct species of large bodied Leptoptilini stork that existed during the Middle Pleistocene. Along with ''Aegypius jinniushanensis'', ''L. lüi'' is one of several new species of extinct birds discovered at Jinniushan, Liaoning, China. The extinct stork is named after Professor Zun-e Lü. Extant members of the genus ''Leptoptilos'' are today found only found in the African and Asian tropics. ''L. lüi'' is the only member of ''Leptoptilos'' from the Pleistocene so far to have been discovered outside of its modern range. ==Description== ''L. lüi'' is one of the largest ''Leptoptilos'' on record and might be larger than ''Leptoptilos titan'' and ''Leptoptilos robustus''. The humerus and proximal phalanx are longer and more robust than those of any other ''Leptoptilos'' on record. With very long wings, ''L. lüi'' was probably a good flyer that mainly relied on gliding and soaring on the thermal air currents available then, as the climate conditions in the region during the Middle Pleistocene was a lot warmer and more humid. ''L. lüi'' most likely relied on scavenging from Pleistocene megafauna for the bulk of its food source. The disappearance of Pleistocene megafauna and climate change are likely the primary causes of its extinction.
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