Cobra
The name “cobra” applies to many venomous snakes, most known for the “hood” on their head and neck that they show off when they feel threatened.
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Elapidae
Genera: Naja (the True Cobras), Ophiophagus (the King Cobra), Hemachatus (the Rinkhals or Ring-necked Spitting Cobra), Psuedohaje (the Tree Cobras), Aspidelaps (the Shield-nosed Cobras)
Common Names: Cobra
All species of cobra are venomous, and most species in the genus Naja are able to “spit” their venom, meaning they can eject venom without biting. If this venom comes into contact with an animal’s mouth, eyes or nose, it can cause irritation and burning, or even blindness.
Almost all cobra species are venomous enough to be fatal to humans if bites are not treated quickly. However, many species of cobra are less aggressive than other venomous snakes, only biting if threatened or disturbed, and delivering “dry bites” that don’t release venom.
When feeling threatened, the cobra will rear the front quarter of its body up off the ground and expand its hood by flattening its neck, in order to appear larger to potential threats.
Cobras are found in a wide range of habitats throughout Africa and Southeast, Southwest and South Asia.
Cobras of the genus Naja are egg-laying, and fully independent as soon as they hatch. They have fully developed venom glands as well, and can deliver a nasty bite if disturbed.
The hatchlings of king cobras have striking markings that fade as the snake grows and ages. They are more likely to bite than the less aggressive adults.
Many species of snake are called “cobra”, and these snakes usually have a few characteristics in common: they are venomous, and most have a habit of rearing up their front body and flattening their neck to widen the overall profile of their head when they feel threatened.
Cobras may be many colors, including black, brown, or yellow. The Indian cobra (Naja naja) is also known as the spectacled cobra, due to the markings on the back of its hood that resemble of pair of spectacles.
True cobras of the genus Naja can typically grow up to six feet long, and some species may grow up to 10 feet in length. The largest snake referred to as a cobra is the king cobra, which can grow nearly 20 feet long. It’s the longest venomous snake in the world.
Cobras are members of the family Elapidae, which are known for having fangs in the front of their mouth that are permanently erect.
The cobra, particularly the Indian cobra, is an important figure in Hindu mythology, and many deities and mythical figures are associated with cobras. The god Shiva is often shown with a cobra around his neck, while the god Vishnu is often shown lying on the body of a snake deity named Adishesha, depicted as a cobra with multiple heads. There are festivals where cobras are celebrated and worshipped.
The cobra’s ability to rear its body up, along with its hood, have made it a popular choice for snake charmers. Using a flute, snake charmers will coax a cobra out of a wicker basket. While the snake appears to be moving along with the notes of the flute, it is actually following the motion of the flute and the vibrations of the charmer’s rhythmic tapping. Due to the danger, these snakes are often milked for their venom before charming, so they are less deadly to the handler if bitten.
There are numerous species of cobra, and most are considered species of Least Concern, while some such as the Philippine cobra (Naja philippenensis) and the king cobra (Ophiophagus hannah) is Vulnerable.
References
https://en.wikipedia.org/wiki/Cobra
https://en.wikipedia.org/wiki/Naja
https://en.wikipedia.org/wiki/Indian_cobra
https://animals.sandiegozoo.org/animals/cobra
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