Philippine tarsier

Carlito syrichta

The Philippine tarsier , known locally as ''mawmag'' in Cebuano/Visayan and ''mamag'' in Luzon, is a species of tarsier endemic to the Philippines. It is found in the southeastern part of the archipelago, particularly on the islands of Bohol, Samar, Leyte and Mindanao. It is a member of the approximately 45-thousand-year-old family Tarsiidae, whose name is derived from its elongated "tarsus" or ankle bone. It is the only member of the genus ''Carlito'', after the species was removed from the genus ''Tarsius''., a new genus named after the conservationist Carlito Pizarras.

Its geographic range also includes Maripipi Island, Siargao Island, Basilan Island and Dinagat Island. Tarsiers have also been reported in Sarangani, although they may be different subspecies.

It was introduced to Western biologists during the 18th century.
Tarsier hiding at the Tarsier Conservation Area in Bohol, Philippines  Carlito syrichta,Geotagged,Philippine Tarsier,Philippine tarsier,Philippines,Tarsius syrichta,Winter

Appearance

The Philippine tarsier measures only about 85 to 160 millimetres in height, making it one of the smallest primates. The small size makes it difficult to spot. The mass for males is between 80–160 g , usually lighter for females, somewhat heavier than other tarsiers such as the pygmy tarsier. The average adult is about the size of a human fist.

The female tarsier has multiple sets of breasts, but the only functional set is at the pectoralis. The other breasts are used as anchor points for the newborn tarsiers. The gestation period lasts 180 days, or 6 months, after which only one tarsier is born. The newborn tarsier is born with much fur and eyes open. Its body and head length is approximately 70 mm, and its tail is approximately 115 mm long.

Like all tarsiers, the Philippine tarsier's eyes are fixed in its skull; they cannot turn in their sockets. Instead, a special adaptation in the neck allows its round head to be rotated 180 degrees. The eyes are disproportionately large, having the largest eye-to-body size ratio of all mammals. These huge eyes provide this nocturnal animal with excellent night vision. In bright light the tarsier's eyes can constrict until the pupil appears to be only a thin line. In darkness the pupil can dilate and fill up almost the entire eye. The large membranous ears are mobile, appearing to be almost constantly moving, allowing the tarsier to hear any movement.


The Philippine tarsier has thin, rough fur which is colored gray to dark brown. The narrow tail, usually used for balance, is bald except for a tuft of hair at the end, and is about twice the body length. Its elongated "tarsus," or ankle bone, which gives the tarsier its name, allows it to jump at least three meters from tree to tree. Its long digits are tipped with rounded pads that allow ''C. syrichta'' to cling easily to trees and to grip almost any surface. The thumb is not truly opposable, but the first toe is. All of the digits have flattened nails, except for the second and third toes, which have sharp claws specialized for grooming.

The dental formula is 2:1:3:31:1:3:3, with relatively small upper canines.
Philippine Tarsier Philippine Tarsier

The Philippine Tarsier is a member of approximately 45 million years old FamilyTarsiidae. And it has been called "the world's smallest monkey" or "smallest primate" by locals before. It measures only about 85 to 160 millimetres (3.35 to 6.30 in) in height. Carlito syrichta,Monkeys,Philippine tarsier,philippines tarsier monkey

Naming

The Philippine tarsier is related to the Horsfield's tarsier of Borneo and Sumatra and to several species of tarsier on Sulawesi and nearby islands in the genus ''Tarsius''. Although all living tarsiers had been conventionally placed in the single genus ''Tarsius'', Shekelle and Groves placed the distinctive Philippine tarsier in its own genus, ''Carlito''.

The Philippine tarsier is related to other primates, including monkeys, lemurs, gorillas and humans but it occupies a small evolutionary branch between the strepsirrhine prosimians, and the haplorrhine simians. While it is a prosimian, it has some phylogenetic features that caused scientists to classify it as a haplorrhine and, therefore, more closely related to apes and monkeys than to the other prosimians.

The smallest primate is the Madame Berthe's mouse lemur , at around one third the weight of this species. The superlative 'smallest monkey' often refers to the Pygmy Marmoset , an animal with a larger body size. The Philippine tarsier is considered to be the mammal with the biggest eyes, 16 mm across, in proportion to its body size.

The Philippine tarsier was only introduced to Western biologists in the 18th century through the missionary J.G. Camel's description given to J. Petiver of an animal said to have come from the Philippines. Petiver published Camel's description in 1705 and named the animal ''Cercopithecus luzonis minimus'' which was the basis for Linnaeus' ''Simia syrichta'' and eventually ''Carlito syrichta'', the current scientific name. Among the locals, the tarsier is known as "''mamag''", "''mago''", "''magau''", "''maomag''", "''malmag''" and "''magatilok-iok''".

Three subspecies are presently recognized: ''Carlito syrichta syrichta'' from Leyte and Samar, ''C. s. fraterculus'' from Bohol and ''C. s. carbonarius'' from Mindanao. The IUCN taxonomic notes lists two subspecies but that the non-nominate one is poorly defined at present, so the species is treated as a whole. ''Tarsius syrichta carbonarius'' and ''Tarsius s. fraterculus'': Hill recognized these taxa as weakly defined subspecies. Niemitz found the differences to be insignificant based upon comparisons with museum specimens. Musser and Dagosto felt that the available museum specimens were insufficient to resolve the issue, but mentioned that Heaney felt that a single male tarsier from Dinagat might be distinct. Groves did not recognize any subspecies of ''syrichta'', but Groves and Shekelle recognized the subspecies ''fraterculus'', ''syrichta'', and ''carbonarius'' when splitting the species out of ''Tarsius'' into ''Carlito''.For the past 45 million years, tarsiers have inhabited rainforests around the world, but now they exist on only a few islands in the Philippines, Borneo and Indonesia. In Bohol, the Philippine tarsier was a common sight in the southern part of the island until the 1960s. Since then, the number has dropped to around 700 on the island according to the Philippine Tarsier Foundation. Once protected by the humid rainforests and mist-shrouded hills, these mysterious primates struggle to survive as their home is cleared for crop growing.

Due to the quickly growing human population, which causes more and more forests to be converted to farmland, housing areas and roads, the place where the Philippine tarsier can live its secluded life is disappearing. The dwindling of Philippine forests—the Philippine tarsier's natural forest habitat—has posed a grave and significant threat to the survival of the Philippine tarsier. Indiscriminate and illegal logging, cutting of trees for firewood, "kaingin" or slash and burn method of agriculture, and human urbanization have encroached on the habitats of the tarsier....hieroglyph snipped...

Paradoxically, indigenous superstition coupled with relatively thick rainforest, particularly in Sarangani province, have apparently preserved this endangered species. Indigenous tribes leave the Philippine tarsiers in the wild because they fear that these animals could bring bad luck. One belief passed down from ancient times is that they are pets belonging to spirits dwelling in giant fig trees, known as belete trees. If someone harms a tarsier they need to apologize to the spirits of the forest, or it is thought they will encounter sickness or hardship in life.
Tarsier trying to sleep at the Tarsier Conservation Area in Bohol, Philippines  Carlito syrichta,Geotagged,Philippine Tarsier,Philippine tarsier,Philippines,Tarsius syrichta,Winter

Distribution

The Philippine tarsier, as its name suggests, is endemic to the Philippine archipelago. ''C. syrichta'' populations are generally found in the southeastern part of the archipelago. Established populations are present primarily on the islands of Bohol, Samar, Leyte and Mindanao. It has also been found on various isolated islands within its known range, such as Maripipi Island, Siargao Island, Basilan Island and Dinagat Island.
Just keep on hanging! I wont sleep. Just gonna keep on hanging and keep my eyes open. Geotagged,Philippine Tarsier,Philippines,Tarsius syrichta

Status

In 1986, in 1988, and again in 1990, the Philippine tarsier was assessed as Endangered by the IUCN Conservation Monitoring Centre. On September 13, 1991, the Department of Environment and Natural Resources , per DENR Administrative Order Number 48 , also listed the Philippine tarsier as Endangered.

In 1996, it was assessed as Lower Risk/conservation dependent by Baillie and Groom-bridge. In 2000, the IUCN assessed the Philippine tarsier as Data Deficient which means that there was inadequate information to make a direct or indirect assessment of its risks of extinction based on its distribution and/or population status.

The most recent IUCN red list assessment, in 2008, classified the Philippine tarsier as Near Threatened. This classification is based on an estimated significant decline over the last three generations , but less than 30%, due to habitat loss and because of poaching for the pet trade.

The Philippine tarsier is listed in Appendix II of CITES, and the U.S. ESA classifies it as threatened....hieroglyph snipped...

A Tarsier sanctuary is maintained in the town of Corella . Run by the Philippine Tarsier Foundation, it has a visitor centre and habitat preserve/sanctuary of 7000 square meters in a natural forest.Several legislations have been passed to protect and conserve the Philippine tarsier. DENR Administrative Order No. 38, Series of 1991 included the Philippine tarsier among the national protected wildlife species and proposed its listing under Appendix 1 of the Convention on International Trade in Endangered Species . Moreover, the IUCN/SSC Primate Specialist Group had given the species Conservation Priority Rating 4, which means that the species is highly vulnerable and threatened by habitat destruction and/or hunting.

Republic Act No. 7586, otherwise known as the National Integrated Protected Areas System Act of 1991 mandates the establishment of appropriate sanctuaries to preserve and protect the Philippine tarsier.

Proclamation 1030 was signed by then President of the Philippines Fidel V. Ramos on June 23, 1997, declaring the Philippine tarsier a specially protected faunal species.

There are also legislations at other local levels, including Provincial ordinances and proclamations , Municipal Ordinances , Barangay Ordinances .

On July 30, 2001, Philippine President Gloria Macapagal-Arroyo signed Republic Act No. 9147, also known as the Wildlife Resources Conservation and Protection Act, that provided for the conservation and protection of wildlife resources and their habitats, including the Philippine tarsier, and its inclusion as a flagship species.Conserving biological diversity involves the protection of natural or semi-natural ecosystems, the restoration and rehabilitation of degraded lands, and ex-situ conservation techniques. In-situ conservation is the maintenance of plant and animal genetic material in their natural habitat. The aim of in-situ conservation is to allow the population to maintain itself within its community and in the environment to which it is adapted so that it has the potential for continued evolution. Protected areas are among the most valuable in situ conservation tool and cost-effective means for preserving genes, species, and habitats and for maintaining various ecological processes of importance to humanity.

In trial sites in Leyte, local fauna has been seen to quickly re-colonize the mixed plantations of rainforestation cooperators/farmers. Birds and fruit bats initially, and then larger mammals including the Philippine tarsier and Philippine flying lemur were seen in the sites after four years ....snipped... [Text possibly copied from this source]

Two groups are involved in the conservation of the Philippine tarsier: Endangered Species International and the Philippine Tarsier Foundation . ESI works in Mindanao Island where the conservation group created a tarsier sanctuary, planted endangered trees to reforest tarsier habitat, and conducts research and educational activities. In partnership with local groups and government, ESI established the tarsier trail including a view point on habitat. Interpretative boards about plants and animals found in the sanctuary are displayed.
tarsier-selective color tarsier from Bohol, Philippines
selectively colored in Photoshop Bohol,Carlito syrichta,Geotagged,Philippine Tarsier,Philippine tarsier,Philippines,Tarsius syrichta,selective-color,tarsier

Behavior

The Philippine tarsier is a shy nocturnal animal that leads a mostly hidden life. During the day, it sleeps in dark hollows close to the ground, near the trunks of trees and shrubs deep in the impenetrable bushes and forests. Tarsiers become active only at night, and even then, with their keen sight and amazing ability to maneuver around trees, they are very well able to avoid humans.

It is arboreal, habitually clinging vertically to trees and capable of leaping from branch to branch.

The Philippine tarsier is solitary. However, it is found to have either monogamous or polygamous mating system.The Philippine tarsier uses varied means of communication. Although less vocal than many primate species, it uses calls which are often associated with territorial maintenance and male-female spacing. Three different audible calls have been documented. One is its "loud call"—a piercing single note. The second sound is a soft sweet bird-like twill, a sound of contentment. When several tarsiers come together, the combined effect of this chirping is a locust-like sound.

Recently, scientists discovered that these mammals can also vocalize in an ultrasound frequency range of 70 kHz and can pick up frequencies above 90 kHz. This form of vocal communication is used as a distress call made by infants when they are separated from their mothers. It is also the call made by males to their mates during mating season.

Tarsiers also communicate by through a scent from the circumoral gland located around the mouth, which the female uses to mark her mate. The males mark their territory with their urine. Tarsiers perform tactile communication through social grooming, removing dead skin and parasites, a behaviour observed in females on adult males, as well as in females on their offspring.
Tarsie (Carlito_syrichta) Bohol, Oct 10, 2012
Tarsiers are haplorrhine primates of the family Tarsiidae, which is itself the lone extant family within the infraorder Tarsiiformes. Tarsiers are small animals with enormous eyes; each eyeball is approximately 16 mm in diameter and is as large as its entire brain. Tarsiers also have very long hind limbs, due mostly to the extremely elongated tarsus bones of the feet, from which the animals get their name. The head and body range from 10 to 15 cm in length, but the hind limbs are about twice this long (including the feet), and they also have a slender tail from 20 to 25 cm long. Their fingers are also elongated, with the third finger being about the same length as the upper arm. Most of the digits have nails, but the second and third toes of the hind feet bear claws instead, which are used for grooming. Tarsiers have very soft, velvety fur, which is generally buff, beige, or ochre in color.
Habitat:
Although the group was once more widespread, all the species living today are found in the islands of Southeast Asia. Carlito syrichta,Geotagged,Philippine tarsier,Philippines

Habitat

The Philippine tarsier's habitat is the second growth, secondary forest, and primary forest from sea level to 700 m . Its habitat also includes tropical rainforest with dense vegetation and trees that offer it protection like tall grasses, bushes and bamboo shoots. It prefers dense, low-level vegetation in secondary forests, with perching sites averaging 2 meters above the ground.The Philippine tarsier is primarily insectivorous, its diet consists of live insects and it has also been observed to feed on spiders, small crustaceans, and small vertebrates such as small lizards and birds. ''Carlito syrichta'' preys on live insects, particularly crickets and grasshoppers. Upon seizing its prey, the tarsier carries it to its mouth using both hands.

As predators, the Philippine tarsier may help to structure insect communities. To the extent that it is preyed upon by other animals, it may impact predator populations.

Reproduction

The Philippine tarsier's pregnancy or gestation period lasts about 6 months. The female's estrous cycle lasts 25–28 days. Mating season begins in April to May. The males deposit a mating plug in the female's vagina after intercourse. The female gives birth to one offspring per gestation. The infant is born with a lot of hair and born with its eyes open. The females carry their infants in their mouth. A newborn can already cling to branches and in less than a month after birth, it can start leaping. Newborns are breast-fed until 60 days after birth. After two years of age, the tarsier is able to take a mate.

Food

The Philippine tarsier is primarily insectivorous, its diet consists of live insects and it has also been observed to feed on spiders, small crustaceans, and small vertebrates such as small lizards and birds. ''Carlito syrichta'' preys on live insects, particularly crickets and grasshoppers. Upon seizing its prey, the tarsier carries it to its mouth using both hands.

As predators, the Philippine tarsier may help to structure insect communities. To the extent that it is preyed upon by other animals, it may impact predator populations.

Predators

Besides human hunters, feral cats banished from nearby communities are the species' main predators, though some large birds are known to prey on it as well....hieroglyph snipped... Because of its nocturnal and arboreal habits, the Philippine tarsier is most likely to fall prey to owls, or to small carnivores which it can encounter in its canopy homes.For the past 45 million years, tarsiers have inhabited rainforests around the world, but now they exist on only a few islands in the Philippines, Borneo and Indonesia. In Bohol, the Philippine tarsier was a common sight in the southern part of the island until the 1960s. Since then, the number has dropped to around 700 on the island according to the Philippine Tarsier Foundation. Once protected by the humid rainforests and mist-shrouded hills, these mysterious primates struggle to survive as their home is cleared for crop growing.

Due to the quickly growing human population, which causes more and more forests to be converted to farmland, housing areas and roads, the place where the Philippine tarsier can live its secluded life is disappearing. The dwindling of Philippine forests—the Philippine tarsier's natural forest habitat—has posed a grave and significant threat to the survival of the Philippine tarsier. Indiscriminate and illegal logging, cutting of trees for firewood, "kaingin" or slash and burn method of agriculture, and human urbanization have encroached on the habitats of the tarsier....hieroglyph snipped...

Paradoxically, indigenous superstition coupled with relatively thick rainforest, particularly in Sarangani province, have apparently preserved this endangered species. Indigenous tribes leave the Philippine tarsiers in the wild because they fear that these animals could bring bad luck. One belief passed down from ancient times is that they are pets belonging to spirits dwelling in giant fig trees, known as belete trees. If someone harms a tarsier they need to apologize to the spirits of the forest, or it is thought they will encounter sickness or hardship in life.

Evolution

The Philippine tarsier is related to the Horsfield's tarsier of Borneo and Sumatra and to several species of tarsier on Sulawesi and nearby islands in the genus ''Tarsius''. Although all living tarsiers had been conventionally placed in the single genus ''Tarsius'', Shekelle and Groves placed the distinctive Philippine tarsier in its own genus, ''Carlito''.

The Philippine tarsier is related to other primates, including monkeys, lemurs, gorillas and humans but it occupies a small evolutionary branch between the strepsirrhine prosimians, and the haplorrhine simians. While it is a prosimian, it has some phylogenetic features that caused scientists to classify it as a haplorrhine and, therefore, more closely related to apes and monkeys than to the other prosimians.

The smallest primate is the Madame Berthe's mouse lemur , at around one third the weight of this species. The superlative 'smallest monkey' often refers to the Pygmy Marmoset , an animal with a larger body size. The Philippine tarsier is considered to be the mammal with the biggest eyes, 16 mm across, in proportion to its body size.

The Philippine tarsier was only introduced to Western biologists in the 18th century through the missionary J.G. Camel's description given to J. Petiver of an animal said to have come from the Philippines. Petiver published Camel's description in 1705 and named the animal ''Cercopithecus luzonis minimus'' which was the basis for Linnaeus' ''Simia syrichta'' and eventually ''Carlito syrichta'', the current scientific name. Among the locals, the tarsier is known as "''mamag''", "''mago''", "''magau''", "''maomag''", "''malmag''" and "''magatilok-iok''".

Three subspecies are presently recognized: ''Carlito syrichta syrichta'' from Leyte and Samar, ''C. s. fraterculus'' from Bohol and ''C. s. carbonarius'' from Mindanao. The IUCN taxonomic notes lists two subspecies but that the non-nominate one is poorly defined at present, so the species is treated as a whole. ''Tarsius syrichta carbonarius'' and ''Tarsius s. fraterculus'': Hill recognized these taxa as weakly defined subspecies. Niemitz found the differences to be insignificant based upon comparisons with museum specimens. Musser and Dagosto felt that the available museum specimens were insufficient to resolve the issue, but mentioned that Heaney felt that a single male tarsier from Dinagat might be distinct. Groves did not recognize any subspecies of ''syrichta'', but Groves and Shekelle recognized the subspecies ''fraterculus'', ''syrichta'', and ''carbonarius'' when splitting the species out of ''Tarsius'' into ''Carlito''.

References:

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Taxonomy
KingdomAnimalia
DivisionChordata
ClassMammalia
OrderPrimates
FamilyTarsiidae
GenusCarlito
SpeciesSyrichta
Photographed in
Philippines