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Article
J. Riley, AuteurKarakelang, largest of the Talaud Islands, Indonesia, was visited in 1999 with the aim of producing population estimates of globally threatened and Restricted-range bird species. Density estimates were calculated from primary forest and secondar[...]
Article
J. Riley, AuteurThe island of Sangihe, Indonesia, was visited in 1998-99 with the aim of producing population estimates of the island's endemic and other restricted-range bird species, some of which were poorly known and thought to be at risk of extinction due [...]
