Warren's girdled lizard (''Smaug warreni'') 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 relatively large, flattened

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 ...

Cordylidae Cordylidae is a family of small- to medium-sized lizards that occur in southern and eastern Africa. They are commonly known as girdled lizards, spinytail lizards, or girdle-tail lizards. Cordylidae is closely related to the family Gerrhosaurida ...

. The species is native to

Southern Africa Southern Africa is the southernmost region of Africa. No definition is agreed upon, but some groupings include the United Nations geoscheme for Africa, United Nations geoscheme, the intergovernmental Southern African Development Community, and ...

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 ...

, ''warreni'', is in honour of British zoologist Ernest Warren (1871–1945), who collected the

holotype A holotype (Latin: ''holotypus'') is a single physical example (or illustration) of an organism used when the species (or lower-ranked taxon) was formally described. It is either the single such physical example (or illustration) or one of s ...

.Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). ''The Eponym Dictionary of Reptiles''. Baltimore: Johns Hopkins University Press. xiii + 296 pp. . (''Cordylus warreni'', p. 280).

Geographic range

''S. warreni'' is known from

Botswana Botswana, officially the Republic of Botswana, is a landlocked country in Southern Africa. Botswana is topographically flat, with approximately 70 percent of its territory part of the Kalahari Desert. It is bordered by South Africa to the sou ...

Mozambique Mozambique, officially the Republic of Mozambique, is a country located in Southeast Africa bordered by the Indian Ocean to the east, Tanzania to the north, Malawi and Zambia to the northwest, Zimbabwe to the west, and Eswatini and South Afr ...

, and

South Africa South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost country in Africa. Its Provinces of South Africa, nine provinces are bounded to the south by of coastline that stretches along the Atlantic O ...

www.reptile-database.org. (the

Lebombo Mountains The Lebombo Mountains, also called Lubombo Mountains, Rivombo Mountains (), are an , narrow range of mountains in Southern Africa. They stretch from Hluhluwe in KwaZulu-Natal in the south to Punda Maria in the Limpopo Province in South Africa ...

in northeastern South Africa and eastern

Eswatini Eswatini, formally the Kingdom of Eswatini, also known by its former official names Swaziland and the Kingdom of Swaziland, is a landlocked country in Southern Africa. It is bordered by South Africa on all sides except the northeast, where i ...

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 ...

s of ''S. warreni'' are

savanna A savanna or savannah is a mixed woodland-grassland (i.e. grassy woodland) biome and ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close. The open canopy allows sufficient light to reach th ...

and rock outcrops on wooded mountain slopes, at altitudes of .

Diet

A shy species, ''S. warreni'' eats large

arthropod Arthropods ( ) are invertebrates in the phylum Arthropoda. They possess an arthropod exoskeleton, exoskeleton with a cuticle made of chitin, often Mineralization (biology), mineralised with calcium carbonate, a body with differentiated (Metam ...

s and small

vertebrate Vertebrates () are animals with a vertebral column (backbone or spine), and a cranium, or skull. The vertebral column surrounds and protects the spinal cord, while the cranium protects the brain. The vertebrates make up the subphylum Vertebra ...

Description

''S. warreni'' has a snout-to-vent length (SVL) of . The back is dark brown with small yellow spots forming bands. The belly is light brown, and the throat and lips are mottled. Males have 10-12 femoral pores. The tail is spiny and slightly longer than the SVL.

Reproduction

''S. warreni'' is

ovoviviparous Ovoviviparity, ovovivipary, ovivipary, or aplacental viviparity is a "bridging" form of reproduction between egg-laying oviparity, oviparous and live-bearing viviparity, viviparous reproduction. Ovoviviparous animals possess embryos that develo ...

Taxonomy

The Barberton girdled lizard ('' Smaug barbertonensis''), Waterberg girdled lizard ('' Smaug breyeri)'', Zoutpansberg girdled lizard (''

Smaug depressus Zoutpansberg girdled lizard (''Smaug depressus'') is a species of the genus ''Smaug''.The Reptile Database. http://reptile-database.reptarium.cz/species?genus=Smaug&species=depressus&search_param=( This species is only found on and around the Sou ...

''),

Mozambique girdled lizard The Mozambique girdled lizard or flame-bellied armadillo lizard (''Smaug mossambicus'') is a large, flattened, girdled lizard found on Mount Gorongosa in Mozambique and low elevations in the Chimanimani Mountains at the border of Zimbabwe and Mo ...

(''Smaug mossambicus''), and the regal girdled lizard ('' Smaug regius'') were formerly considered

subspecies In Taxonomy (biology), biological classification, subspecies (: subspecies) is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (Morphology (biology), morpholog ...

of Warren's girdled lizard.

Pet trade

Warren's girdled lizard was formerly available in the pet trade, possibly exported from

. Most specimens were labeled ''Cordylus warreni depressus'' and should be considered ''

''.