1 Sene Tooth-Billed Pigeon

The tooth-billed pigeon — known locally as the manumea — is Samoa's national bird and among the most endangered columbids on earth, with population estimates running under 200 individuals by the 2010s. Habitat loss and introduced predators drove the collapse; cyclone damage to forest canopy accelerated it further. The species shares enough morphological quirks with the dodo that some ornithologists place it as the dodo's closest living relative.

Aluminium 1 sene pieces have seen minimal everyday use for decades, making new issues largely ceremonial at face value.