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Lialis burtonis

(Burton's Snake-Lizard, Burton's Legless Lizard)

Common Names

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Common Names in English:

Burton's Legless Lizard, Burton's Snake Lizard, Burton's Snake-Lizard, Burton's Snake-Lizard, Burton's Legless Lizard

Common Names in German:

Burtons Spitzkopf-Flossenfu?, Burtons Spitzkopf-Flossenfuß

Description

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Physical Description

Species Lialis burtonis

These robust , legless, elongated lizards are up to two feet in length . Long, sharp, wedge-shaped snouts are covered with small scales . Mouths have numerous large, backward-pointing, sharp teeth. Tympanums (ear openings) are visible and eye pupils are vertically elliptical . Color and markings are extremely varied - most are striped, some are not. Yellowish, reddish, gray, black, white or brown. Special scales which aide in reproduction are about 5mm long. Their tongues are broad and fleshy , unlike snakes' tongues.

Habitat

These lizards thrive in most habitats from desert sand ridges and flats to woodlands, dry forest and margins of rain forests.

Biology

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Diet

Burton's snake lizards are active and alert predators that feed on arthropods and small lizards, especially skinks. They also hunt geckos, adamids and small snakes. They normally grip their prey in the chest region, hold them until they suffocate, then swallow them head first.

Reproduction

Burton's snake lizards, like others in the family Pygopodidae, are oviparous (egg-layers). The eggs are rather elongated, and usually only two or three in each clutch .

Behavior

Ground-dwellers, they seek shelter beneath rocks, logs or leaf-litter and in hummock grasses and abandoned burrows. They are active during daylight hours and sometimes at night. When at rest, they adopt a distinctive posture with head and neck held at approximately 45 degrees to the ground . They are not venomous .

Taxonomy

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Unambiguous Synonyms

  1. Lialis bicatenata Gray 1842
  2. Lialis burtoni [sic] — De Rooij 1915: 63
  3. Lialis burtoni De Rooij 1915: 63
  4. Lialis burtonii — Boulenger 1885: 247
  5. Lialis burtonii DumÉril & Bibron 1839: 831
  6. Lialis burtonis — Cogger 2000: 294
  7. Lialis burtonis — RÖsler 1995: 88
  8. Lialis leptorhyncha Peters 1873: 605
  9. Lialis punctulata Gray 1842
  10. Lialis punctulata var. concolor Peters 1873: 606

Notes

Name Status: Accepted Name . Latest taxonomic scrutiny: Uetz P.

Similar Species

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Members of the genus Lialis

ZipcodeZoo has pages for 13 species and subspecies in this genus:

L. bicatenata · L. burtoni · L. burtonis (Burton's Legless Lizard) · L. childreni · L. clarki · L. fuscus · L. jicari (Papua Snake Lizard) · L. jicori · L. leptorhyncha · L. leptoryncha · L. megapogon · L. punctulata · L. punctulata var. concolor Peters, 1873

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal February 27, 2008:

Identifiers

Last Revised: 7/2/2009