Hosmer's spiny-tailed skink (''Egernia hosmeri)'', also known commonly as Hosmer's egernia and Hosmer's skink, is a

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

of large

skink Skinks are a type of lizard belonging to the family (biology), family Scincidae, a family in the Taxonomic rank, infraorder Scincomorpha. With more than 1,500 described species across 100 different taxonomic genera, the family Scincidae is one o ...

, a

lizard Lizard is the common name used for all Squamata, squamate reptiles other than snakes (and to a lesser extent amphisbaenians), encompassing over 7,000 species, ranging across all continents except Antarctica, as well as most Island#Oceanic isla ...

in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Scincidae. The species is a diurnal, rock-dwelling species native to Northern

Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...

Etymology

The

specific name Specific name may refer to: * in Database management systems, a system-assigned name that is unique within a particular database In taxonomy, either of these two meanings, each with its own set of rules: * Specific name (botany), the two-part (bino ...

, ''hosmeri'', is in honour of Australian herpetologist William Hosmer. Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). ''The Eponym Dictionary of Reptiles''. Baltimore: Johns Hopkins University Press. xiii + 296 pp. . (''Egernia hosmeri'', p. 126).

Description

Hosmer's spiny-tailed skink is mostly reddish-brown on top, with both scattered darker and paler spots along the back, legs, and tail. It has a darker brown head and neck, white abdomen, and a few dark brown blotches under the chin. The snout-to-vent (SVL) is , with a round, tapering tail about 60% of the SVL. It is most closely related to Cunningham's spiny-tailed skink (''Egernia cunninghami)'', however the tail of ''E. hosmeri'' is flattened and spinier than that of ''E. cunninghami''. (''Egernia hosmeri'', new species, p. 286 + Plate XIV).

Geographic range

Hosmer's spiny-tailed skin is found throughout dry, rocky regions of

Queensland Queensland ( , commonly abbreviated as Qld) is a States and territories of Australia, state in northeastern Australia, and is the second-largest and third-most populous state in Australia. It is bordered by the Northern Territory, South Austr ...

and the

Northern Territory The Northern Territory (abbreviated as NT; known formally as the Northern Territory of Australia and informally as the Territory) is an states and territories of Australia, Australian internal territory in the central and central-northern regi ...

Habitat

The preferred natural

habitat In ecology, habitat refers to the array of resources, biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species' habitat can be seen as the physical manifestation of its ...

of ''E. hosmeri'' is rocky areas.

Behaviour

''E. hosmeri'' is

terrestrial Terrestrial refers to things related to land or the planet Earth, as opposed to extraterrestrial. Terrestrial may also refer to: * Terrestrial animal, an animal that lives on land opposed to living in water, or sometimes an animal that lives on o ...

Reproduction

Like some other reptiles, ''E. hosmeri'' is

viviparous In animals, viviparity is development of the embryo inside the body of the mother, with the maternal circulation providing for the metabolic needs of the embryo's development, until the mother gives birth to a fully or partially developed juve ...

, giving birth to an average of four live young at a time.

Diet

Hosmer's spiny-tailed skink is

omnivorous An omnivore () is an animal that regularly consumes significant quantities of both plant and animal matter. Obtaining energy and nutrients from plant and animal matter, omnivores digest carbohydrates, protein, fat, and fiber, and metabolize ...

, eating insects, leaves, shoots, and berries.