Didunculus strigirostris; Print; The tooth-billed pigeon (Didunculus strigirostris); also known as the manumea; is a large pigeon found only in Samoa. It is the only living species of genus Didunculus. A related extinct species; the Tongan tooth-billed pigeon (Didunculus placopedetes); is only known from subfossil remains in several archeological sites in Tonga. The tooth-billed pigeon is the national bird of Samoa and featured on the 20 tala bills and the 50 sene pieces of the 2008/2011 series.; 1864