''Gallotia simonyi'', also known as Simony's lizard, is a

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

lacertid The Lacertidae are the family of the wall lizards, true lizards, or sometimes simply lacertas, which are native to Afro-Eurasia. It is a diverse family with at least 300 species in 39 genera. They represent the dominant group of reptiles found i ...

(wall

lizard Lizards are a widespread group of squamate reptiles, with over 7,000 species, ranging across all continents except Antarctica, as well as most oceanic island chains. The group is paraphyletic since it excludes the snakes and Amphisbaenia alt ...

) that was found on many of the

Canary Islands The Canary Islands (; es, Canarias, ), also known informally as the Canaries, are a Spanish autonomous community and archipelago in the Atlantic Ocean, in Macaronesia. At their closest point to the African mainland, they are west of Morocc ...

. The species was once present throughout much of the islands, but one of the two subspecies is extinct, while the other, the Roque Chico de Salmor giant lizard is now confined to a few small areas of cliff with sparse vegetation. It is currently restricted to the southern end of the Risco de Tibataje in la Fuga de Gorreta, located between

Guinea Guinea ( ),, fuf, 𞤘𞤭𞤲𞤫, italic=no, Gine, wo, Gine, nqo, ߖߌ߬ߣߍ߫, bm, Gine officially the Republic of Guinea (french: République de Guinée), is a coastal country in West Africa. It borders the Atlantic Ocean to the we ...

and the so-called Paso del Pino (an area of about four

hectare The hectare (; SI symbol: ha) is a non-SI metric unit of area equal to a square with 100-metre sides (1 hm2), or 10,000 m2, and is primarily used in the measurement of land. There are 100 hectares in one square kilometre. An acre is a ...

s). The species was also successfully reintroduced to the Roque Chico de Salmor in 1999, and subsequent reintroductions have taken place at Julan and at

la Dehesa La Dehesa is a suburban neighborhood in Lo Barnechea Commune of Santiago, Chile. It borders Las Condes to the south and Vitacura to the west. It is located in a valley near the Andes, in the northeast of the city, north of the Mapocho River. ...

.(Miras & Pérez-Mellado 2005b) It is

omnivorous An omnivore () is an animal that has the ability to eat and survive on both plant and animal matter. Obtaining energy and nutrients from plant and animal matter, omnivores digest carbohydrates, protein, fat, and fiber, and metabolize the nutri ...

. It eats plants – notably '' verode'' and ''

Lavandula abrotanoides ''Lavandula'' (common name lavender) is a genus of 47 known species of flowering plants in the mint family, Lamiaceae. It is native to the Old World and is found in Cape Verde and the Canary Islands, and from Europe across to northern and e ...

'' – as well as

insect Insects (from Latin ') are pancrustacean hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body ( head, thorax and abdomen), three pairs ...

s (ARKive 2006). Mating begins in May and 5 to 13

eggs Humans and human ancestors have scavenged and eaten animal eggs for millions of years. Humans in Southeast Asia had domesticated chickens and harvested their eggs for food by 1,500 BCE. The most widely consumed eggs are those of fowl, especial ...

are laid from June until the end of August. Their eggs hatch after 61 days.

Etymology

The specific name, ''simonyi'', is in honor of Viennese naturalist Oskar Simony (1852–1915).Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). ''The Eponym Dictionary of Reptiles''. Baltimore: Johns Hopkins University Press. xiii + 296 pp. . (''Lacerta simonyi'', p. 244).

Systematics

Two

subspecies In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species ...

are recognised: * Roque Chico de Salmor giant lizard, ''Gallotia simonyi simonyi'' –

extinct Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...

(c.1930s) *

El Hierro giant lizard The El Hierro giant lizard (''Gallotia simonyi machadoi'') is a subspecies of lacertid (wall lizard) that can be found on the island of El Hierro, one of the Canary Islands. It is considered to be a subspecies of ''Gallotia simonyi'', Simony's ...

or Hierro giant lizard ( es, Lagarto Gigante de El Hierro), ''Gallotia simonyi machadoi'' The population of this species is about 300 to 400 animals in the wild (including re-introduced populations), and it is classified as critically endangered by the 2006

IUCN Red List The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is the world's most comprehensive inventory of the global conservation status of biol ...

. This lizard's major threat is predation by feral

cat The cat (''Felis catus'') is a domestic species of small carnivorous mammal. It is the only domesticated species in the family Felidae and is commonly referred to as the domestic cat or house cat to distinguish it from the wild members of ...

s, and possibly also by

dog The dog (''Canis familiaris'' or ''Canis lupus familiaris'') is a domesticated descendant of the wolf. Also called the domestic dog, it is derived from the extinct Pleistocene wolf, and the modern wolf is the dog's nearest living relative. Do ...

s and

rat Rats are various medium-sized, long-tailed rodents. Species of rats are found throughout the order Rodentia, but stereotypical rats are found in the genus ''Rattus''. Other rat genera include ''Neotoma'' ( pack rats), ''Bandicota'' (bandicoot ...

References

External links

* lacerta.de
''Gallotia simonyi machadoi''
image gallery. Retrieved 2007-FEB-25. {{Taxonbar, from=Q268724 Gallotia Reptiles of the Canary Islands Reptiles described in 1889 Taxa named by Franz Steindachner