Sibuyan Island

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Ph locator romblon sibuyan.png
Map of Romblon showing the location of Sibuyan island.
Sibuyan Island is located in Philippines
Sibuyan Island
Location within Philippines
Location Sibuyan Sea, Philippines
Coordinates 12°26′N 122°33′E / 12.433°N 122.550°E / 12.433; 122.550Coordinates: 12°26′N 122°33′E / 12.433°N 122.550°E / 12.433; 122.550
Archipelago Romblon
Area 445 km2 (172 sq mi)
Highest elevation 2,058 m (6,752 ft)
Highest point Guiting-Guiting
Municipalities Cajidiocan, Magdiwang, San Fernando
Largest settlement San Fernando (pop. 21,214)
Population 52,615 (as of 2000)
Density 118.2 /km2 (306.1 /sq mi)
Ethnic groups Sibuyanon (Romblomanon)

Sibuyan is a crescent-shaped island of Romblon Province, Philippines. Located in the namesake Sibuyan Sea, it has an area of 445 square kilometres (172 sq mi). The island has two prominent peaks, Mount Guiting-Guiting with a height of 2,058 metres (6,752 ft) and Mount Nailog with a height of 789 metres (2,589 ft). The people speak the Sibuyanon dialect of Romblomanon, a Visayan language.

Aerial view of Sibuyan

Sibuyan has been dubbed by some local and international natural scientists as "the Galapagos of Asia", because it has remained in isolation from the rest of the world since its formation. Never in its geological history has it ever been connected with any part of the Philippine archipelago. Seismic forces pushed up a 2,000 metres (6,600 ft) peak from the earth’s crust, forming a series of smaller peaks and slopes. The peak is Mt. Guiting-Guiting (literally means "the saw-toothed mountain", in reference to its jagged ridge). Because of the steep slopes, much of its original forest remains untouched, and the rest is the island as we find it today.

Primary forests cover 140 square kilometres (54 sq mi), which is 33% of the land area of Sibuyan. However, most of the lower altitude forest has been logged or is secondary. Mt. Guiting-guiting Natural Park (equivalent to the IUCN category of National Park) was established to protect these forests, which are mainly in the centre and north of the island, and covers an area of 157 square kilometres (61 sq mi) out of Sibuyan’s total area of 445 square kilometres (172 sq mi). The park is remarkable for its outstandingly scenic landscape with twin towering peaks set amidst closed canopy forests. Its forests remain largely intact, and include the entire elevational gradient from lowland dipterocarp forest (at 200 to 900 m) and mangroves, through montane forest (above 700 m) to mossy forest, heathland and montane grassland around the peaks.

On June 21, 2008, the ferry MV Princess of the Stars of Sulpicio Lines (now Philippine Span Asia Carrier Corp.) shipwrecked off the coast of the said island, resulting that vessel were sailed was left Manila en route to Cebu City in the height of Typhoon Frank and deaths of hundreds of people.

Political Subdivision[edit]

The island is shared by three municipalities. Namely, Cajidiocan, Magdiwang, and San Fernando.


Sibuyan has a rich biodiversity of flora and fauna which are threatened by an emerging aggressive promotion of mining industry by the country's government. Exact figures on numbers of total plant species are hard to give, as biologists stumble upon species yet unidentified by the scientific community. In one study, the National Museum identified 1,551 trees in a single hectare, with 123 species of trees, and of this number, 54 are found nowhere else in the world. Hence, it has been proclaimed as one of the world’s most diverse and dense forests.[1] There are estimated to be 700 vascular plant species on the island. Nepenthes sibuyanensis, a pitcher plant species, is also endemic as its scientific name suggests. There are 131 species of birds and ten species of fruit bats, and many dwelling mammals, reptiles, and rodents yet to be fully catalogued. Three subspecies are endemic to Sibuyan: Colasisi Loriculus philippensis bournsi, the Philippine Pygmy-woodpecker Dendrocopos maculatus menagei, and the Orange-bellied Flowerpecker Dicaeum trigonostigma sibuyanicum, all of which were recorded there in the early 1990s. Five species of threatened mammals, one fruit bat and four rodents, are endemic to Sibuyan, and the critically endangered fruit bat Nyctimene rabori occurs there.

Local Environmentalists[edit]

Notable environment advocates born in Sibuyan Island are climate activist Rodne Galicha, Gawad Geny Lopez Bayaning Pilipino Awardee Dr. Arthur Rey Tansiongco,[2] and martyred councilor Armin Rios Marin. Both Galicha and Marin (posthumous) received the 2013 Hero of Environment Individual Award (Gawad Bayani ng Kalikasan).[3]

Current environmental issue[edit]

The Sibuyanons Against Mining advocacy group, with the Sibuyan Island Sentinels League for Environment Inc. (Sibuyan ISLE),[4] has been fighting for the conservation and protection of the island against mining activities considering its vast impact on the ecology, culture and society of the island.