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  3. King Cobra

One of the 7 cobras on WAnimals

King Cobra (Ophiophagus hannah)

Reptiles · Squamata · Elapidae

King Cobra

Ophiophagus hannah

Vulnerable

At high risk of extinction in the wild over the medium term.

Spotted something wrong?

It is the only snake known to build a nest above ground level, made of leaves and sticks whose decay generates the heat needed to incubate the eggs.

Weight

5 kg – 6.8 kg

Size

3.2 m – 4 m

Life expectancy

20 years

Diet

Carnivore

Feeds mainly on other animals.

Activity

Diurnal

Active mainly during the day.

Social structure

Solitary

Lives and hunts alone, joining others only to breed.

Rainforest
16countries57parks17same family

AI-generated images: illustrations, not photographs.

Fun facts

  • It is the longest venomous snake in the world, with a documented record of 5.85 metres.
  • It eats almost nothing but other snakes, venomous ones included, plus the occasional lizard.
  • The female defends the nest fiercely but leaves it just before the eggs hatch, so as not to eat her own young.
  • reproducciónIt is the longest venomous snake in the world and one of the few species that build a leaf nest to incubate their eggs.

Life cycle and biology

Skeleton type
Vertebrate - internal bony skeleton (reptile)
Habitat and environment
Dense forest and montane woodland up to 2,000 m in South and South-East Asia, generally near water
Birth weight
37.5-58.5 cm long on hatching, with venom as potent as an adult's
Size at birth
37.5 - 58.5 cm long at hatching
Sexual maturity
5-6 years
Gestation / incubation
60-105 days
Litter / clutch size
7 to 50 eggs per clutch (most commonly 20-40)
Life expectancy in captivity
Documented record of up to 15-23 years in captivity

Sources consulted: Thai National Parks · Better Planet Education · Dimensions.com · JungleDragon · A-Z Animals · Pets on Mom.com · The Animal Facts · AnAge (genomics.senescence.info) · Wikipedia (King cobra)

Where to find it

Best time: From January to April in southern and South-East Asia, during the breeding season, when the female builds a nest of leaf litter, something unique among snakes.

Loading map…

Where to see it

Parks and dive sites where this species has been documented — showing 10 of 57.

Related species

Other species in the catalogue with the most in common with King Cobra — same habitat, park, country, tags or family.

Same taxonomic family
Same taxonomic family
Same taxonomic family
Same taxonomic family
Same taxonomic family
Shares a park

How to help

The king cobra is classified as vulnerable. Organisations such as the IUCN, WWF and the Wildlife Conservation Society work specifically on its conservation and that of its habitat; looking into their programmes is a good starting point if you want to get involved.

It's documented in 10 protected areas — one reason why protecting these places matters for its conservation.

Keep exploring

Based on what we already know about king cobra.

Share an experience, a fun fact or a tip for seeing the king cobra.
See full glossary
This page in other languages: Español · Deutsch · Français · Português · Italiano

The pins mark the parks where its presence is documented.

See its range on the interactive map→
KazirangaIndia
SundarbansIndia
PeriyarIndia
Gunung LeuserIndonesia
Way KambasIndonesia
Khao YaiThailand
Phong Nha-Ke BangVietnam
Gunung MuluMalaysia
KinabaluMalaysia
BokorCambodia
See all 57 parks
Least Concern

Banded Krait

Bungarus fasciatus

Monocled CobraLeast Concern

Monocled Cobra

Naja kaouthia

Not Evaluated

Indian Cobra

Naja naja

Least Concern

Common Krait

Bungarus caeruleus

Yellow-lipped Sea KraitLeast Concern

Yellow-lipped Sea Krait

Laticauda colubrina

Vulnerable

Western Tarsier

Tarsius bancanus

CountriesIndia
ParksKazirangaIndia
TagsCarnivore
Carnivore
Diurnal
Solitary
Vulnerable
Reptile
Rainforest
India
Thailand
Malaysia
Vietnam
Indonesia
Cambodia
Bangladesh
Bhutan
Brunei
Cambodia
China
India
Indonesia
Laos
Malaysia
Myanmar
Philippines
Singapore
Taiwan
Thailand
Timor-Leste
Vietnam