Mount Sahendaruman is an extinct volcano located in southern part of Indonesia

Indonesia

Indonesia , officially the Republic of Indonesia , is a country in Southeast Asia and Oceania. Indonesia is an archipelago comprising approximately 13,000 islands. It has 33 provinces with over 238 million people, and is the world's fourth most populous country. Indonesia is a republic, with an...

n island of Sangihe .

It is an area high in biodiversity

Biodiversity

Biodiversity is the degree of variation of life forms within a given ecosystem, biome, or an entire planet. Biodiversity is a measure of the health of ecosystems. Biodiversity is in part a function of climate. In terrestrial habitats, tropical regions are typically rich whereas polar regions...

 in Wallacea

Wallacea

Wallacea is a biogeographical designation for a group of Indonesian islands separated by deep water straits from the Asian and Australian continental shelves. Wallacea includes Sulawesi, the largest island in the group, as well as Lombok, Sumbawa, Flores, Sumba, Timor, Halmahera, Buru, Seram, and...

, especially seen in the small forest patch in mountain slopes Mount Sahendaruman, the last remaining primary forest in Sangihe.

Mount Sahendaruman is home to of three critically endangered and two endangered endemic

Endemism in birds

An endemic bird area is a region of the world that contains two or more restricted-range species, while a "secondary area" contains one or more restricted-range species. Both terms were devised by Birdlife International....

 bird species, the Caerulean Paradise-flycatcher

Caerulean Paradise-flycatcher

The Caerulean Paradise-flycatcher is a medium-sized , blue flycatcher with bright cerulean blue plumage, a bare white orbital ring, dark brown iris, bluish black bill and pale blue-grey below. The young has a shorter tail and grey underparts...

, Sangihe Shrike-thrush

Sangihe Shrike-thrush

The Sangihe Shrikethrush is a species of bird in the Colluricinclidae family. It is endemic to Indonesia.Its natural habitat is subtropical or tropical moist montane forests. It is threatened by habitat loss....

, Sangihe White-eye

Sangihe White-eye

The Sangihe White-eye is a species of bird in the white-eye family. It is endemic to Sangihe, Indonesia.Its natural habitat is subtropical or tropical moist montanes. It is threatened by habitat loss....

, Elegant Sunbird

Elegant Sunbird

The Elegant Sunbird, Aethopyga duyvenbodei is a large, up to 12 cm long, Australasian sunbird in the genus Aethopyga. The male has an iridescent blue-green crown, shoulder patch and uppertail coverts, yellow bar across lower back, red ear coverts, olive back, yellow throat, red neck collar and...

 and Sangihe Hanging-parrot.