The Italian Aesculapian snake (''Zamenis lineatus'') 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 ...
of
snake
Snakes are elongated, Limbless vertebrate, limbless, carnivore, carnivorous reptiles of the suborder Serpentes . Like all other Squamata, squamates, snakes are ectothermic, amniote vertebrates covered in overlapping Scale (zoology), scales. Ma ...
in the
Colubridae
Colubridae (, commonly known as colubrids , from la, coluber, 'snake') is a family of snakes. With 249 genera, it is the largest snake family. The earliest species of the family date back to the Oligocene epoch. Colubrid snakes are found on ever ...
family
Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...
.
Geographic range
![Zamenis longissimus dis](https://upload.wikimedia.org/wikipedia/commons/3/35/Zamenis_longissimus_dis.png)
''Z. lineatus'' 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 southern
Italy
Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical re ...
and
Sicily
(man) it, Siciliana (woman)
, population_note =
, population_blank1_title =
, population_blank1 =
, demographics_type1 = Ethnicity
, demographics1_footnotes =
, demographi ...
. The northern limit of its geographical range is the Province of
Caserta
Caserta () is the capital of the province of Caserta in the Campania region of Italy. It is an important agricultural, commercial, and industrial ''comune'' and city. Caserta is located on the edge of the Campanian plain at the foot of the Camp ...
in the west and the Province of
Foggia
Foggia (, , ; nap, label= Foggiano, Fògge ) is a city and former ''comune'' of Apulia, in Southern Italy, capital of the province of Foggia. In 2013, its population was 153,143. Foggia is the main city of a plain called Tavoliere, also known ...
in the east. It is absent from the Salentine Peninsula (
Salento
Salento ( Salentino: ''Salentu'', Salentino Griko: ''Σαλέντο'') is a cultural, historical and geographic region at the southern end of the administrative region of Apulia in Southern Italy. It is a sub-peninsula of the Italian Peninsula ...
), which is the "heel" of the "boot" of Italy.
The
type locality is
Naples
Naples (; it, Napoli ; nap, Napule ), from grc, Νεάπολις, Neápolis, lit=new city. is the regional capital of Campania and the third-largest city of Italy, after Rome and Milan, with a population of 909,048 within the city's adminis ...
.
[
]
Description
The Italian Aesculapian snake is a medium to large snake that reaches a maximum total length (including tail) of . Dorsally
Standard anatomical terms of location are used to unambiguously describe the anatomy of animals, including humans. The terms, typically derived from Latin or Greek roots, describe something in its standard anatomical position. This position prov ...
, it is yellowish brown and may have four dark brown stripes. If present, the stripes are of equal width and equidistant. The dorsal scales
In snakes, the dorsal scales are the longitudinal series of plates that encircle the body, but do not include the ventral scales. Campbell JA, Lamar WW (2004). ''The Venomous Reptiles of the Western Hemisphere''. Ithaca and London: Comstock Publis ...
are smooth. The iris of the eye is red, giving it the common name in Italian
Italian(s) may refer to:
* Anything of, from, or related to the people of Italy over the centuries
** Italians, an ethnic group or simply a citizen of the Italian Republic or Italian Kingdom
** Italian language, a Romance language
*** Regional Ita ...
of ''saettone occhirossi'' (red-eyed racer).
Habitat
The natural habitat
In ecology, the term habitat summarises the array of resources, physical and 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 ...
s of ''Z. lineatus'' are temperate forest
A forest is an area of land dominated by trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, and ecological function. The United Nations' ...
s, temperate shrubland
Shrubland, scrubland, scrub, brush, or bush is a plant community characterized by vegetation dominated by shrubs, often also including grasses, herbs, and geophytes. Shrubland may either occur naturally or be the result of human activity. It m ...
, Mediterranean-type shrubby vegetation, arable land
Arable land (from the la, arabilis, "able to be ploughed") is any land capable of being ploughed and used to grow crops.''Oxford English Dictionary'', "arable, ''adj''. and ''n.''" Oxford University Press (Oxford), 2013. Alternatively, for the ...
, pasture
Pasture (from the Latin ''pastus'', past participle of ''pascere'', "to feed") is land used for grazing. Pasture lands in the narrow sense are enclosed tracts of farmland, grazed by domesticated livestock, such as horses, cattle, sheep, or swine ...
land, rural gardens, and urban area
An urban area, built-up area or urban agglomeration is a human settlement with a high population density and infrastructure of built environment. Urban areas are created through urbanization and are categorized by urban morphology as cities, t ...
s.
Diet
The Italian Aesculapian snake feeds on 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 ...
s, small mammal
Mammals () are a group of vertebrate animals constituting the class Mammalia (), characterized by the presence of mammary glands which in females produce milk for feeding (nursing) their young, a neocortex (a region of the brain), fur or ...
s, and 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 ...
.
Reproduction
''Z. lineatus'' is oviparous.[
]
Sources
See also
* List of reptiles of Italy
References
Further reading
* Camerano L (1891). "''Monografia degli ofidi italiani. Parte seconda — colubridi e monografia dei cheloni italiani'' ". ''Memorie della Reale Accademia delle Scienze di Torino, Serie seconda'' 41 (2): 403–469. (''Callopeltis longissimus'' Var. ''lineata'', p. 458). (in Italian).
*Lenk P, Wüster W (1999). "A Multivariate Approach to the Systematics of Italian Rat Snakes of the ''Elaphe longissima'' Complex (Reptilia, Colubridae): Revalidation of Camerano's ''Callopeltis longissimus'' var. ''lineata''". ''The Herpetological Journal'' 9 (4): 153–162.
*Utiger U, Helfenberger N, Schätti B, Schmidt C, Ruf M, Ziswiler V (2002). "Molecular systematics and phylogeny of Old World and New World ratsnakes, ''Elaphe'' Auct., and related genera (Reptilia, Squamata, Colubridae)". ''Russian Journal of Herpetology'' 9 (2): 105–124.
Zamenis
Reptiles of Europe
Endemic fauna of Italy
Reptiles described in 1891
Taxa named by Lorenzo Camerano
Taxonomy articles created by Polbot
{{Colubrids-stub