The Aurora house snake, Aurora snake, or night snake (''Lamprophis aurora'') is a species of
snake
Snakes are elongated, limbless, carnivorous reptiles of the suborder Serpentes . Like all other squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales. Many species of snakes have skulls with several more j ...
in the family
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 ev ...
. It 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 els ...
to
Southern Africa
Southern Africa is the southernmost subregion of the African continent, south of the Congo and Tanzania. The physical location is the large part of Africa to the south of the extensive Congo River basin. Southern Africa is home to a number ...
(South Africa, Lesotho, Eswatini, Botswana).
Distribution
This species is widespread in South Africa (present all provinces but is absent from most of the
Northern Cape
The Northern Cape is the largest and most sparsely populated province of South Africa. It was created in 1994 when the Cape Province was split up. Its capital is Kimberley. It includes the Kalahari Gemsbok National Park, part of the Kgalagadi ...
) and also occurs in
Lesotho
Lesotho ( ), officially the Kingdom of Lesotho, is a country landlocked as an enclave in South Africa. It is situated in the Maloti Mountains and contains the highest mountains in Southern Africa. It has an area of over and has a populatio ...
and
Eswatini
Eswatini ( ; ss, eSwatini ), officially the Kingdom of Eswatini and formerly named Swaziland ( ; officially renamed in 2018), is a landlocked country in Southern Africa. It is bordered by Mozambique to its northeast and South Africa to its ...
. It is also recorded from eastern Botswana, although this might represent a translocation.
Description
The snake can achieve a maximum length of 90 cm, but averages 45–60 cm. Colour varies from shiny olive green to dull dark green above. A bright yellow to orange vertebral stripe runs from the top of the head to the tip of the tail.
Habitat and ecology
This species occurs in grassland, fynbos, and moist
savanna
A savanna or savannah is a mixed woodland-grassland (i.e. grassy woodland) ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close. The open canopy allows sufficient light to reach the ground to ...
habitats at elevations up to
above sea level
Height above mean sea level is a measure of the vertical distance (height, elevation or altitude) of a location in reference to a historic mean sea level taken as a vertical datum. In geodesy, it is formalized as '' orthometric heights''.
The ...
. They are often found near streams and under rocks, and may occur in old termitaria.
It is secretive but can be locally common. It is active at night (
nocturnal
Nocturnality is an ethology, animal behavior characterized by being active during the night and sleeping during the day. The common adjective is "nocturnal", versus diurnality, diurnal meaning the opposite.
Nocturnal creatures generally have ...
). The diet consists of rodents, lizards, and frogs. The female lays clutches of up to 12 eggs. It is non-venomous and seldom attempts to bite.
Conservation
Grassland habitats that this species inhabits are heavily transformed by urban development and agriculture, but it is not considered threatened because it remains common in suitable habitat and is widespread. Its range overlaps with a number of protected areas.