The notion of snake can be used with reference to medium-sized snakes that are harmless to humans. A snake, for its part, is an ophidian reptile that lacks feet.
In a more specific sense, the animal that belongs to the colubrid family is called a snake. These snakes, which are not venomous, have fixed teeth in their upper jaw.
There are about 1800 species that are part of the colubrid group. At a general level it can be said that snakes have their heads covered with large scales, with circular pupils in their eyes. They can measure from twenty centimeters to three meters, depending on the species .
For decades, the snake family has been used to include all those snakes that do not have enough traits to belong to another. This has led to the classification going through important changes on more than one occasion, especially in recent times. As research progresses, there will be greater definition in the list of species that belong to colubrids.
For example , until not long ago the families On the other hand, even the subfamilies Pseudoxenodontinae, Natricinae and Dipsadine , which currently belong to colubrids, are taken by certain authors as independent families .
Outside of these examples, there are many other subfamilies, each with its own genera and species, that continue to be part of the snake family in a stable manner; Among them the following stand out: Calamariinae, Colubrinae, Grayiinae and Sibynophiinae
In Spain, the snake is included in the Catalog of Invasive Exotic Species , as approved by Royal Decree 630/2013. This includes any species that belongs to the colubrid family and came into force on August 2, 2013. Since these are potentially colonizing animals and constitute a great threat to native species, it is prohibited to introduce them into the environment. natural, transport them, trade with them or simply buy them in Formentera, Ibiza and the Canary Islands.
The collared snake , whose scientific name is Natrix natrix , is found in North Africa, Asia and Europe . It usually measures 1.20 meters and has a dark greenish body with black spots.
The blind snake , of the family Typhlopidae , is a snake that lacks vision , although it is capable of detecting light. It measures up to seventy centimeters and has a spiny tail.
Regarding the general confusion between the terms snake and snake , it is correct to say that not all snakes are snakes, although all snakes are snakes . The group of the latter contains other different families, such as that of the elaptidae (which includes cobras, sea snakes, mambas and coral snakes) and that of the viperids (with rattlesnakes and vipers), which of in no way can they be called snakes. Snakes are one of the families of snakes; Snakes, on the other hand, are a subgenus of the animal kingdom.
Culebra , on the other hand, is the name of an island and a municipality in Puerto Rico . It has an area of just over 30 kilometers of mainland , where a population of less than 2000 inhabitants is distributed.
An island that is part of the Malvinas Islands archipelago is also called Culebra . Called Sedge Island in English, this territory is administered by the United Kingdom and claimed as its own by Argentina , like the rest of the islands of the aforementioned archipelago.