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Range DescriptionEmberiza sulphurata breeds in Japan, and is thought to winter mainly in the Philippines (where its stronghold may be Ilocos Norte [D. Allen in litt. 2012]), although some birds have wintered in Japan and Taiwan (China) in the past (BirdLife International 2001). There are non-breeding records, mainly of birds on passage, from North Korea, South Korea, Hong Kong (China) and the coast of mainland China and Taiwan. It is generally uncommon in its restricted breeding range in Japan, and it appears to have declined significantly during the 20th century.