10 amazing snake facts you (probably) won't have heard before

10 amazing snake facts you (probably) won't have heard before

Celebrate the Year of the Snake with our fascinating snake fact file, made up of the weirdest and most surprising things you may not know about snakes

Published: January 28, 2025 at 4:07 pm

We've all heard the stories about snakes shedding their skin and constricting prey to death, but we've gathered together some of the more surprising facts about snakes you may not be so familiar with. From snake yoga to cartwheeling snakes, get settled in for a thrilling Year of the Snake!

10 amazing snake facts

1. Snakes don’t have ears – but they can hear with their jaw

They may not have external ears, but snakes can detect low-frequency vibrations through their jawbones, which then transmit soundwaves to the inner ears.

2. They can adjust their venom depending on the situation

Some species of venomous snakes can alter the composition of their venom to meet the needs of the specific situation they find themselves in. Factors may include the size or behaviour of the target species. The venom will be more neurotoxic for a quicker kill, or more hemotoxic for digestion. Some snakes can evolve their venom over time to meet the changes in their prey’s biology.

3. Snakes can regrow their teeth

Snakes can sometimes lose their teeth during feeding, but new teeth grow constantly to replace them. Some species can lose hundreds of teeth over a lifetime.

A snake's mouth is held open with a sharp object, showing its fangs
A venomous rattlesnake (Crotalus simus) is handled by a Venezuelan researcher / credit: Getty Images

4. They can play dead

Species such as the eastern hognose snake engage in the sport of ‘thanatosis’, which essentially means they play dead when they are under threat. They may flip onto their backs, open their mouths, convulse, appear to bleed from their mouths, defecate or remain motionless – sometimes they may even emit a bad-smelling odour.

A snake on brown dirt wrapped up in a figuration to appear dead to predators
A snake plays dead in an act of 'tanatoza', or 'apparent death'/ credit: Creative Commons CC0 1.0 Universal Public Domain Dedication license https://web.archive.org/web/20161229043156/https://pixabay.com/en/service/terms/

5. Even blind snakes can see

The Leptotyphlopidea family of snakes – known as slender blind snakes – are technically considered blind, but they have an eye structure that can detect light and dark. Their tiny eyes can detect changes in light intensity, which helps them navigate underground in very dimly lit environments.

6. Some species can fly and cartwheel

In order to escape predators, some species of snake have been known to perform impressive gymnastics. The dwarf reed scape is able to cartwheel away when it senses the presence of a predators, a trick researchers discovered when they spotted an adult dwarf reed snake crossing a road in Malaysia. Others, such as flying snakes, can glide through the air by lifting themselves up and undulating their body back and forth.

7. Some female snakes can reproduce without a fella

Species such as the brahminy blind snake are known to practice ‘parthenogenesis’, a form of asexual reproduction in which the females can fertilise their own eggs without the need of a male. The offspring they produce is genetically identical to themselves.

A tiny black snake that looks like an earthworm against a rocky background
The Brahminy Blind Snake resembles an earth worm and is an introduced species on the island of Guam in the Northern Mariana Islands / credit: Getty Images

8. They can survive for months without eating

Some species of snake can go for up to six months without eating, particularly when they’re hibernating or in periods of slower metabolism. Most snakes can survive for extended periods though, so this isn’t hugely uncommon.

9. Sea snakes can expel salt from their bodies so they don’t dehydrate

Sea snakes have done some pretty impressive evolution, having developed glands that allow them to expel salt from their bodies. Some species can survive in full-strength seawater without getting dehydration or salt poisoning.  

A black and blue sea snake on a bed of sea rocks
The banded sea snake has evolved glands to remove salt from their bodies

10. At a studio in LA, snakes are doing yoga

LA-based yoga studio LXR has a weekly yoga class with a variety of ball pythons, which invites attendees to get to know the snakes and their handlers and then take part in snake-incorporated yoga. The BBC Wildlife Magazine team would not recommend engaging in such perilousssss endeavours.

Discover the weirdest snakes in the world here...

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