Philippine Tarsier

Also known as: Carlito syrichta — the binomial since the 2010 revision · Tarsius syrichta — the binomial of the older literature, still the NCBI record's merge source · C. syrichtus / Tarsius syrichtus — the emended spelling carried in much mammalogical literature · mawumag — the local name in Visayan languages including Cebuano · magô — the Waray name · The Bohol tarsier — the tourism designation from its flagship island

Society

Definition

The Philippine tarsier (Carlito syrichta, formerly Tarsius syrichta; the spelling C. syrichtus also runs through the mammalogical literature) is a species of tarsier endemic to the Philippines — the only member of the genus Carlito, erected in the 2010 revision of Shekelle and Groves and named for the Filipino conservationist Carlito Pizarras — belonging to the approximately 45-million-year-old family Tarsiidae. (Wikipedia — Philippine tarsier, Wikidata — Q536862) It measures 85 to 160 millimeters in height and, at 80 to 160 grams for males, is “one of the smallest primates” — the average adult “about the size of an adult human fist,” this wiki’s Bohol Province entry’s measure. (Wikipedia — Philippine tarsier, Wikipedia — Bohol) Its established populations lie primarily on Bohol, Samar, Leyte and Mindanao, with Maripipi, Siargao, Basilan, and Dinagat islands also in the range, in three subspecies — C. s. syrichta (Leyte and Samar), C. s. fraterculus (Bohol), and C. s. carbonarius (Mindanao); a shy, nocturnal insectivore, it has eyes fixed in the skull — the head rotates 180 degrees instead — and the largest eye-to-body weight ratio of all mammals. (Wikipedia — Philippine tarsier, Wikipedia — Tarsier)

The species’ conservation record is a decade-by-decade escalation: assessed Endangered by the IUCN in 1986, 1988, and 1990, Lower Risk/Conservation-dependent in 1996, Data Deficient in 2000, and Near Threatened in the 2008 assessment — the classification the standard account’s text carries, its own reference noting the 2020 assessment (Shekelle, e.T21492A17978520) — with the decline driven by habitat loss and poaching for the pet trade. (Wikipedia — Philippine tarsier) Philippine protection runs from DENR Administrative Order No. 48 (September 13, 1991), which listed the species as endangered, through Proclamation No. 1030 (June 23, 1997), declaring it a specially protected faunal species, to Republic Act No. 9147 (2001), the Wildlife Resources Conservation and Protection Act, with the NIPAS Act of 1991 (RA 7586) mandating its sanctuaries. (Wikipedia — Philippine tarsier, LawPhil — RA 9147) On Bohol — where the tarsier shares icon status with the Chocolate Hills — the Philippine Tarsier Foundation maintains the sanctuary at Corella, a 7,000-square-meter natural forest with a visitor centre, against the private caged displays of Loboc that the record says “tend to diminish the lives of tarsiers”; the Foundation estimates around 700 tarsiers remain on the island, and captivity is the species’ particular hazard — life expectancy falling by 2 to 12 years against the 24 possible in the wild, with stressed tarsiers dying of skull-fracturing blows against their enclosures. (Wikipedia — Philippine tarsier, Wikipedia — Corella, Bohol, Wikipedia — Chocolate Hills)

Identities

Source Type	Identity
Wikipedia	Philippine tarsier
Wikidata	Philippine tarsier (Q536862)
DBpedia	Philippine_tarsier
ProductOntology	N/A
Wiktionary	tarsier (English noun — “an insectivorous primate of the family Tarsiidae, having very large eyes and long feet, native mainly to several islands of Southeast Asia”; the word, not the Philippine species)
Library of Congress Subject Headings (LCSH)	Tarsiers (sh85132696 — the family-level heading; no species-specific heading)
MeSH	Tarsiidae (MeSH descriptor introduced 1992, entry terms Tarsiers, Tarsier, Tarsius — the family-level descriptor; no species entry)
NCBI Taxonomy	Carlito syrichta — taxon ID 1868482 (the current active record; the former ID 9478, Tarsius syrichta, was merged into it)
AGROVOC	N/A
Google Scholar	Philippine tarsier Carlito syrichta Tarsius syrichta syrichtus genus Carlito monotypic Shekelle Groves 2010 Pizarras Tarsiidae 85 160 mm 80 160 grams smallest primates eye-to-body ratio nocturnal insectivorous Bohol Samar Leyte Mindanao fraterculus carbonarius Near Threatened IUCN 2008 DAO 48 Proclamation 1030 RA 9147 Philippine Tarsier Foundation Corella sanctuary 700 Loboc
ConceptNet	N/A
OpenCyc	N/A

Also Known As

Carlito syrichta — the binomial since the 2010 revision
Tarsius syrichta — the binomial of the older literature, still the NCBI record’s merge source
C. syrichtus / Tarsius syrichtus — the emended spelling carried in much mammalogical literature
mawumag — the local name in Visayan languages including Cebuano
magô — the Waray name
The Bohol tarsier — the tourism designation from its flagship island

Examples and Analogies

A fist-sized primate with the mammal record for eyes: the adult fits in a human palm while carrying eyes too large to move in their sockets — the head’s 180-degree rotation doing the eyes’ work, and the eye-to-body weight ratio heading the class Mammalia — evolution’s extreme solution to a nocturnal life. (Wikipedia — Philippine tarsier)
One genus, one species, one country: Carlito is monotypic — a genus erected in 2010 for a single species, itself endemic to a single archipelago — so the Philippine tarsier carries an entire genus’ evolutionary bet on the Philippines’ forests, in a family 45 million years old. (Wikipedia — Philippine tarsier, Wikipedia — Tarsier)
Sanctuary versus selfie: the Corella sanctuary’s regime — natural forest, a visitor centre, the Foundation’s habitat discipline — stands against the caged roadside displays of Loboc, where handling and flashlight tourism shorten lives measured against 24 possible years in the wild; the species is the country’s standing case of an icon endangered by its own celebrity, the tension this wiki’s Bohol Province entry records. (Wikipedia — Philippine tarsier, Wikipedia — Bohol)
Verified species data:
Taxonomy: Carlito syrichta (Linnaeus’s original 1758 description as Simia syrichta); genus Carlito (Groves & Shekelle, 2010), monotypic, named for conservationist Carlito Pizarras; family Tarsiidae, about 45 million years old
Subspecies: C. s. syrichta (Leyte and Samar), C. s. fraterculus (Bohol), C. s. carbonarius (Mindanao) — the IUCN taxonomic note treats two subspecies with the non-nominate poorly defined
Measurements: height 85–160 mm; mass 80–160 g for males, usually lighter for females; the average adult about the size of a human fist
Biology: nocturnal and shy; eyes fixed in the skull, head rotation 180 degrees; largest eye-to-body weight ratio of all mammals; primarily insectivorous — insects, spiders, small crustaceans, small vertebrates, with a preference for live crickets and grasshoppers; home range about 1–2 hectares
Distribution: southeastern Philippines — established populations primarily on Bohol, Samar, Leyte, and Mindanao; also Maripipi, Siargao, Basilan, and Dinagat; Sarangani reports may be a different subspecies
IUCN history: Endangered (1986, 1988, 1990); Lower Risk/Conservation-dependent (1996); Data Deficient (2000); Near Threatened (2008 assessment, the text’s dating; the standard account’s own reference carries the 2020 assessment e.T21492A17978520); CITES Appendix II; threatened under the U.S. Endangered Species Act
Protection: DENR Administrative Order No. 48 (September 13, 1991) — endangered listing; Proclamation No. 1030 (June 23, 1997) — specially protected faunal species; RA 7586 NIPAS (1991) mandating sanctuaries; RA 9147 Wildlife Act (2001); plus Bohol provincial, Corella municipal, and barangay ordinances
Sanctuary: Philippine Tarsier Foundation, Corella, Bohol — 7,000 m² natural forest with visitor centre; the Foundation’s estimate of around 700 tarsiers remaining on Bohol
Captivity toll: life expectancy reduced by 2 to 12 years against 24 in the wild; captive stress deaths by skull-fracturing head blows (Wikipedia — Philippine tarsier, Wikipedia — Corella, Bohol, LawPhil — RA 9147)

Usage Scenarios

1. Bohol’s Nature Circuit

The Corella sanctuary is the sibling stop of the Chocolate Hills on the island’s itinerary — the two flagship natural endowments this wiki’s Bohol Province entry records inside the country’s first UNESCO Global Geopark, with the sanctuary the low-impact half of the circuit. (Wikipedia — Philippine tarsier, Wikipedia — Bohol, Wikipedia — Chocolate Hills)

2. Conservation Education

The species is the Philippine case study in Red List movement — Endangered to Data Deficient to Near Threatened — teaching both the recovery narrative and the caution that Data Deficient is ignorance, not safety. (Wikipedia — Philippine tarsier)

3. Taxonomy and Primatology

The 2010 elevation of Carlito — a monotypic genus named for a living field conservationist — makes the species a working example of modern primate systematics, from Linnaeus’s 1758 Simia through the weakly defined subspecies still debated. (Wikipedia — Philippine tarsier, Wikipedia — Tarsier)

4. Ecotourism Management

Bohol’s handling of tarsier tourism — the shift of the official experience to the Corella sanctuary, against the persisting private displays of Loboc — is the country’s reference case for regulating wildlife tourism around an animal whose stress response is fatal. (Wikipedia — Philippine tarsier)

5. Wildlife-Law Practice

The protection stack — DAO 48, Proclamation 1030, RA 7586, RA 9147, and the local ordinances — gives environmental-law study a fully layered Philippine species file, from administrative order to national statute to barangay ordinance. (Wikipedia — Philippine tarsier, LawPhil — RA 9147)

Strategies

Preserve habitat rather than display animals: the Foundation’s Corella model — forest, research, and a visitor centre — substitutes the sanctuary’s natural enclosure for the cage, the strategy the species’ stress record makes the only humane one. (Wikipedia — Philippine tarsier)
Layer the law: the sequence DAO 48 (1991), Proclamation 1030 (1997), RA 9147 (2001) — with the NIPAS sanctuary mandate beneath — builds redundant protection, so that the species’ legal standing survives any single instrument’s weakness. (Wikipedia — Philippine tarsier, LawPhil — RA 9147)
Run the flagship: the tarsier and the Chocolate Hills anchor Bohol’s Geopark branding — the flagship-species strategy that funds habitat protection with tourism revenue, at the price the carrying-capacity debates record. (Wikipedia — Bohol)
Count honestly: the Foundation’s around-700 figure for Bohol is the standing estimate behind the island’s protective urgency — an estimate, not a census, and quotable only as such. (Wikipedia — Philippine tarsier)
For researchers: cite the binomial as Carlito syrichta (the form of the standard account, Wikidata, and NCBI) while noting the syrichtus spelling’s currency in the literature; use NCBI taxon ID 1868482 (the former 9478 merged into it); and date any IUCN category to its assessment year. (Wikipedia — Philippine tarsier, Wikidata — Q536862, NCBI Taxonomy — 1868482)

Security and Safety Measures

The no-handling rule: a tarsier held by tourists is a tarsier at risk of killing itself — the thin-skulled head blows of stressed captives being the documented mechanism — so the sanctuary regime bars touching, and the record treats the pet trade’s survival rates as negligible. (Wikipedia — Philippine tarsier)
Habitat security: logging, slash-and-burn agriculture, and urbanization drive the decline; the sanctuary’s 7,000 square meters of protected forest are the species’ security perimeter on Bohol, within the Geopark’s wider landscape protections. (Wikipedia — Philippine tarsier, Wikipedia — Bohol)
Trade controls: CITES Appendix II and RA 9147’s wildlife regime govern the traffic the pet trade sustains — the legal wall against the souvenir-side demand the Loboc displays’ critics say such exhibits encourage. (Wikipedia — Philippine tarsier, LawPhil — RA 9147)
For researchers: the taxonomy is in motion — the NCBI record was merged from Tarsius syrichta (9478) into Carlito syrichta (1868482), and the subspecies remain weakly defined — so databases should be checked for the current identifiers rather than cached ones. (Wikipedia — Philippine tarsier, NCBI Taxonomy — 1868482)

Historical Context

The species entered science with Linnaeus, described in 1758 as Simia syrichta — an animal known to Europe from Philippine specimens before the archipelago’s fauna was surveyed — and spent two and a half centuries in the genus Tarsius until the 2010 revision by Shekelle and Groves gave it a monotypic genus, Carlito, honoring Carlito Pizarras, the Filipino conservationist whose field work with the animal the name memorializes. (Wikipedia — Philippine tarsier) The conservation era began with the IUCN’s Endangered listings of 1986–1990, moved through Lower Risk/Conservation-dependent and Data Deficient — the 2000 verdict that the data did not exist to classify the species — and settled at Near Threatened in 2008, on an estimated significant decline over three generations of less than 30 percent — the standard account’s text dating the most recent assessment to 2008 even as its own reference carries the 2020 assessment (e.T21492A17978520), a variance examined below. (Wikipedia — Philippine tarsier)

Philippine law built the protection stack in the same years — DAO 48 in 1991, Proclamation 1030 in 1997, RA 9147 in 2001 — while the Philippine Tarsier Foundation established the Corella sanctuary as the species’ flagship site on Bohol, and the island’s tourism economy made the tarsier a global icon alongside the Chocolate Hills. The around-700 estimate of the Bohol population, the sanctuary model’s standing as the official experience against the persisting private displays, and the Geopark designation of 2023 that folded the tarsier’s forests into the country’s first UNESCO Global Geopark are the current state of the record this wiki’s Bohol Province entry keeps. (Wikipedia — Philippine tarsier, Wikipedia — Bohol, LawPhil — RA 9147)

Challenges and Controversies

The Name on the Badge: syrichta or syrichtus

The standard account, Wikidata, and NCBI carry Carlito syrichta — Linnaeus’s feminine original — while much mammalogical literature, following the older genus treatments, prints syrichtus. Both spellings are attestable; citations should name their form, and database users should search both. (Wikipedia — Philippine tarsier, NCBI Taxonomy — 1868482)

Which Red List Assessment Governs

The standard account’s text names the 2008 assessment as the most recent classification — Near Threatened — while its own reference carries the 2020 IUCN assessment (e.T21492A17978520); the IUCN’s own site, which would settle the current category, is not consulted here. The defensible statement is Near Threatened, with the assessment year attributed. (Wikipedia — Philippine tarsier)

Sanctuary Versus the Loboc Displays

The record’s judgment on the private caged displays of Loboc — that they “tend to diminish the lives of tarsiers” and encourage the pet trade — against the sanctuary model of Corella is the standing Bohol controversy: livelihood against welfare, access against stress, decided so far in the sanctuary’s favor for the official experience but not everywhere in practice. (Wikipedia — Philippine tarsier, Wikipedia — Corella, Bohol)

One Species or Several

The three-subspecies map — syrichta, fraterculus, carbonarius — rests on weakly defined distinctions the IUCN’s own taxonomic note flags, and splits of the Philippine tarsier into multiple species have been proposed in the revision literature. The species’ boundaries, and therefore its population counts and Red List standing, are part of the open taxonomy. (Wikipedia — Philippine tarsier, Wikipedia — Tarsier)