Loxocemidae
Loxocemus bicolor, sole member of the monotypic family Loxocemidae, is a species of python-like snake found in Mexico and Central America. No subspecies are currently recognized. Analyses of DNA show that Loxocemus is most closely related to the true pythons and the sunbeam snakes.
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TerrestrialTerrestrial animals are animals that live predominantly or entirely on land (e.g., cats, ants, snails), as compared with aquatic animals, which liv...
Oviparous animals are female animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive...
Precocial species are those in which the young are relatively mature and mobile from the moment of birth or hatching. Precocial species are normall...
A burrow is a hole or tunnel excavated into the ground by an animal to create a space suitable for habitation, temporary refuge, or as a byproduct ...
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Not a migrantAnimals that do not make seasonal movements and stay in their native home ranges all year round are called not migrants or residents.
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starts withAdults grow to a maximum of 1.57 m (62 in) in length. On average this snake grows to roughly 91 cm (2.99 ft). The body is stout and very muscular. The snout is shovel-shaped, with a narrow head and small eyes to facilitate burrowing. It has been observed that both male and females have various scent glands on their bodies that secrete fatty acids and alcohols to deter nuisance arthropods, such as ants or other burrowing insects. The species is described as terrestrial and semi-fossorial, which makes them hard to observe and study. The color pattern is usually dark with patches of white scales, although occasionally after shedding all pigment will disappear, resulting in a white snake with only a small dark patch on its head. Scale coloring can also vary between pinkish-brown and reddish-brown, a source of camouflage depending on the soil type of the region an individual typically inhabits.
It is found along the Mexican Pacific versant at low to moderate elevations in the states of Nayarit, Jalisco, Colima, Michoacán, Morelos, Guerrero, Oaxaca, and Chiapas. From there, its range extends south through Guatemala, Honduras, El Salvador, Nicaragua, and Costa Rica. The type locality given is "La Unión, San Salvador" (in El Salvador).
They are found in a variety of habitats, including tropical, moist, and dry forests. In Honduras and Guatemala, they also occur in dry inland valleys that drain into the Caribbean. Their diet is believed to consist of rodents and lizards. In addition, they prey on arthropods, such as underground insects and centipedes, as well as worms. They have also been observed eating iguana eggs, in addition to having been observed to eat sea turtle eggs and hatchlings when food in scarce. They are oviparous, laying small clutches of two to four eggs. In order to consume eggs, individuals have been observed to wrap two to three loops of its anterior trunk to pressurize and pierce an egg before swallowing the yolk whole.
