Coluber ventromaculatus
Encyclopedia
The Glossy-bellied Racer or Hardwicke's Rat Snake or Gray's rat snake (Coluber ventromaculatus) is a species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 of rat-snake or Racer.

Distribution

SW Asia from north India
India
India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

 to south Turkey
Turkey
Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

, Pakistan
Pakistan
Pakistan , officially the Islamic Republic of Pakistan is a sovereign state in South Asia. It has a coastline along the Arabian Sea and the Gulf of Oman in the south and is bordered by Afghanistan and Iran in the west, India in the east and China in the far northeast. In the north, Tajikistan...

, Afghanistan
Afghanistan
Afghanistan , officially the Islamic Republic of Afghanistan, is a landlocked country located in the centre of Asia, forming South Asia, Central Asia and the Middle East. With a population of about 29 million, it has an area of , making it the 42nd most populous and 41st largest nation in the world...

 (Leviton 1959: 461), Uzbekistan
Uzbekistan
Uzbekistan , officially the Republic of Uzbekistan is a doubly landlocked country in Central Asia and one of the six independent Turkic states. It shares borders with Kazakhstan to the west and to the north, Kyrgyzstan and Tajikistan to the east, and Afghanistan and Turkmenistan to the south....

, Iraq
Iraq
Iraq ; officially the Republic of Iraq is a country in Western Asia spanning most of the northwestern end of the Zagros mountain range, the eastern part of the Syrian Desert and the northern part of the Arabian Desert....

, Iran
Iran
Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...

, Jordan
Jordan
Jordan , officially the Hashemite Kingdom of Jordan , Al-Mamlaka al-Urduniyya al-Hashemiyya) is a kingdom on the East Bank of the River Jordan. The country borders Saudi Arabia to the east and south-east, Iraq to the north-east, Syria to the north and the West Bank and Israel to the west, sharing...

 (Disi 1993), Kuwait
Kuwait
The State of Kuwait is a sovereign Arab state situated in the north-east of the Arabian Peninsula in Western Asia. It is bordered by Saudi Arabia to the south at Khafji, and Iraq to the north at Basra. It lies on the north-western shore of the Persian Gulf. The name Kuwait is derived from the...

, Bahrain
Bahrain
' , officially the Kingdom of Bahrain , is a small island state near the western shores of the Persian Gulf. It is ruled by the Al Khalifa royal family. The population in 2010 stood at 1,214,705, including 235,108 non-nationals. Formerly an emirate, Bahrain was declared a kingdom in 2002.Bahrain is...

, Saudi Arabia
Saudi Arabia
The Kingdom of Saudi Arabia , commonly known in British English as Saudi Arabia and in Arabic as as-Sa‘ūdiyyah , is the largest state in Western Asia by land area, constituting the bulk of the Arabian Peninsula, and the second-largest in the Arab World...

 (along the Arabian Sea
Arabian Sea
The Arabian Sea is a region of the Indian Ocean bounded on the east by India, on the north by Pakistan and Iran, on the west by the Arabian Peninsula, on the south, approximately, by a line between Cape Guardafui in northeastern Somalia and Kanyakumari in India...

) to Palestine
Palestine
Palestine is a conventional name, among others, used to describe the geographic region between the Mediterranean Sea and the Jordan River, and various adjoining lands....

.

Recorded in South Asia
South Asia
South Asia, also known as Southern Asia, is the southern region of the Asian continent, which comprises the sub-Himalayan countries and, for some authorities , also includes the adjoining countries to the west and the east...

 from Chitral
Chitral
Chitral or Chetrar , translated as field in the native language Khowar, is the capital of the Chitral District, situated on the western bank of the Kunar River , in Pakistan. The town is at the foot of Tirich Mir, the highest peak of the Hindu Kush, high...

 in the north to Almora
Almora
Almora is a municipal board, a cantonment town in the Almora district in the state of Uttarakhand, India. Almora was founded in 1568.It is a town bustling with activity and a rich cultural heritage and history. It is considered the cultural heart of the Kumaon region of...

 in Kumaon
Kumaon Division
For Kumaoni/Kumauni People see Kumauni PeopleKumaon or Kumaun is one of the two regions and administrative divisions of Uttarakhand, a mountainous state of northern India, the other being Garhwal. It includes the districts of Almora, Bageshwar, Champawat, Nainital, Pithoragarh, and Udham Singh Nagar...

, Uttarakhand
Uttarakhand
Uttarakhand , formerly Uttaranchal, is a state in the northern part of India. It is often referred to as the Land of Gods due to the many holy Hindu temples and cities found throughout the state, some of which are among Hinduism's most spiritual and auspicious places of pilgrimage and worship...

 state, south to the Khandesh
Khandesh
Khandesh is a region of central India, which forms the northwestern portion of Maharashtra state.Khandesh was the terminal territorial part under the rule of Mughals. The Start of Deccan region demarcated by the boundary of Khandesh....

 area in Maharashtra
Maharashtra
Maharashtra is a state located in India. It is the second most populous after Uttar Pradesh and third largest state by area in India...

.

Status

Not uncommon.

Description

It is a graceful snake with smooth, round, elongate, gradually tapering body with the tail more than one-fourth the total length. It has a moderately narrow head. It ranges from grey, olive-brown, olive-green or dirty yellow. It has a series of black rhomboidal cross-bars on the back. The scales forming the cross-bars normally have colour on the edges only. The sides have similar smaller spots alternating with interspaces which may be broader or narrower than them. The belly is yellow to white with glossy scales.

The head is of the body-colour with or without symmetrical darkish markings. These would consist of :-
  • Blackish spot between lores. A black streak obliquely placed below the eye. A black stripe from the temporal area to the gape.
  • A cross-bar and two stripes on the nape.

Size

Adults are usually 90 to 120 cm in length and have been recorded to grow up to 1.28 m (Smith, 1943).

Identifying characteristics

  1. Costals in 19:19:15 or 13 rows.
  2. Anal 2.
  3. Supralabials (upper lip scales).
    1. The 4th, 5th and 6th touch the eye. The 4th and 9th are divided.
    2. In some rare cases, the 3rd and 8th may be divided in some case, with the 3rd, 4th and 5th touching the eye.
  4. The nostril occupies two-thirds of the suture between the nostrils.
  5. The tail is more than one-fourth the total length.

Races

bengalensis: India; Type locality: Bengal, description from fig 1 Plate 80 of Gray 1830-35; holotype destroyed.
indusai: Pakistan; Type locality: Upper and lower Indus Valley; no holotype specified [indusai].

Habitat

Inhabits mainly stony hillsides, open or cultivated land and sometimes in congested urban areas. It has been recorded in Pokaran district in the Thar desert also.

Habits

A fast active snake which gives rise to its name - racer. Normally seen in open country. When alarmed it quickly retreats into cover. It hibernates in winter. These snakes have been known to live as long as five years.

Reproduction

Oviparous. Gravid female racers have been obtained in early summer. About 9 eggs are laid. They hatch around September. The young snakes are 30 to 33 cm long.

Local names

  • Arabic – Dawaid-al-khail.
  • Urdu
    Urdu
    Urdu is a register of the Hindustani language that is identified with Muslims in South Asia. It belongs to the Indo-European family. Urdu is the national language and lingua franca of Pakistan. It is also widely spoken in some regions of India, where it is one of the 22 scheduled languages and an...

    – Sagi.

External links

  • http://itgmv1.fzk.de/www/itg/uetz/herp/photos/Coluber_ventromaculatus.jpg
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