''Brachymeles bonitae'', commonly known as the stub-limbed burrowing skink or pretty short-legged skink, is a species of

skink Skinks are lizards belonging to the family Scincidae, a family in the infraorder Scincomorpha. With more than 1,500 described species across 100 different taxonomic genera, the family Scincidae is one of the most diverse families of lizards. Ski ...

found in the Philippines. It was first described in 1839 by

André Marie Constant Duméril André Marie Constant Duméril (1 January 1774 – 14 August 1860) was a French zoologist. He was professor of anatomy at the Muséum national d'histoire naturelle from 1801 to 1812, when he became professor of herpetology and ichthyology. His ...

and

Gabriel Bibron Gabriel Bibron (20 October 1805 – 27 March 1848) was a French zoologist and herpetologist. He was born in Paris. The son of an employee of the Museum national d'histoire naturelle, he had a good foundation in natural history and was hir ...

. It is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

to the Philippines.

Description

''Brachymeles bonitae'' is a small, elongated lizard with a snout-to-vent length of up to . It is a " non-pentadactyl" species, different populations having a varying number of digits on each tiny limb, normally in the range zero to two. Features that differentiate it from other similar skinks include the 47 to 57 presacral vertebrae and the number of rows of scales present. It has a pineal eye spot. It is a

fossorial A fossorial () animal is one adapted to digging which lives primarily, but not solely, underground. Some examples are badgers, naked mole-rats, clams, meerkats, and mole salamanders, as well as many beetles, wasps, and bees. Prehistoric eviden ...

species and can move through leaf litter and loose soil by "swimming". Adaptations in skinks for this type of lifestyle typically include a wedge-shaped snout, short head, elongated body, reduced limbs and a reduction in the number of digits.

Distribution and habitat

''Brachymeles bonitae'' is endemic to the northern and north-central Philippines where it is found on the islands of

Luzon Luzon (; ) is the largest and most populous island in the Philippines. Located in the northern portion of the Philippines archipelago, it is the economic and political center of the nation, being home to the country's capital city, Manila, as ...

Polillo Island Polillo () is an island in the northeastern region of the Philippine archipelago. It is the largest island and the namesake of the Polillo Islands. It is separated from Luzon Island by the Polillo Strait and forms the northern side of Lamon Bay ...

Mindoro Mindoro is the seventh largest and eighth-most populous island in the Philippines. With a total land area of 10,571 km2 ( 4,082 sq.mi ) and has a population of 1,408,454 as of 2020 census. It is located off the southwestern coast of Luz ...

Masbate Masbate, officially the Province of Masbate ( Masbateño: ''Probinsya san Masbate''; tl, Lalawigan ng Masbate), is an island province in the Philippines located near the midsection of the nation's archipelago. Its provincial capital is Masbate C ...

, Calotcot,

Tablas Island Tablas is the largest of the islands that comprise the province of Romblon in the Philippines. The name of the island was of Spanish origin. Before the colonization of the Philippines, Tablas was known as the Island of ''Osigan''. At the time of ...

Sibuyan Island Sibuyan is a crescent-shaped island, the second largest in an archipelago comprising Romblon Province, Philippines. Located in the namesake Sibuyan Sea, it has an area of and has a total population of 62,815 as of 2020 census. The island has t ...

Lubang Island Lubang Island is the largest island in the Lubang Group of Islands, an archipelago which lies to the northwest of the northern end of Mindoro in the Philippines. The Lubang Islands are about southwest of Manila. There are seven islands in the gro ...

Camiguin Camiguin, officially the Province of Camiguin ( ceb, Probinsya sa Camiguin; tl, Lalawigan ng Camiguin; Kamigin: ''Probinsya ta Kamigin''), is an island province in the Philippines located in the Bohol Sea, about off the northern coast of Min ...

and

Marinduque Marinduque (; ), officially the Province of Marinduque, is an island province in the Philippines located in Southwestern Tagalog Region or Mimaropa, formerly designated as Region IV-B. Its capital is the municipality of Boac. Marinduque lies be ...

at elevations of up to above sea level. Its typical habitat is the floor of moist primary and secondary tropical forest where it is found among the leaf litter or under fallen logs. It is also found in plantations and coconut groves.

Status

''Brachymeles bonitae'' is listed by the

IUCN The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natu ...

as being of "

least concern A least-concern species is a species that has been categorized by the International Union for Conservation of Nature (IUCN) as evaluated as not being a focus of species conservation because the specific species is still plentiful in the wild. T ...

". This is because it has a wide distribution in the Philippines, its population size appears to be stable and no specific threats have been identified. It seems to be an adaptable species and is found in both primary and secondary forests and in coconut plantations. Severe deforestation would be likely to affect it but it is present in a number of protected areas including the Aurora Memorial National Park.

References

{{Taxonbar, from=Q2923316 Brachymeles Endemic fauna of the Philippines Reptiles of the Philippines Reptiles described in 1839 Taxa named by Gabriel Bibron Taxa named by André Marie Constant Duméril