It's a staggering 300 metres underground, features amazing 11-metre-tall crystals – and has a deadly 90% humidity level
No that's not a golf ball on its head – one man-made very weird species...
Discover on of the world's weirdest fish that was entirely man made.
Do cats really have three eyelids?
Why do cats, and other animals, have a third eyelid yet humans don't? Stuart Blackman explains
The wildlife traveller's calendar: Plan your year around these wildlife spectacles
Seek wildlife holiday inspiration with this month-by-month travel calendar
Why did a T-Rex have such ridiculous, puny arms?
It has the fastest bite in the animal kingdom and victims are sucked up when this deadly ambush predator opens its enormous mouth
It's best not to venture too close to this deadly ambush predator
Jedi ants, Skywalker apes, Stormtropis spiders... 10 crazy animals named after Star Wars characters
Perhaps unsurprisingly, there are quite a few Star Wars fans among biologists. These ones have used their opportunity to name a new species to make reference to their beloved franchise.
It's 3 times the size of the UK and home to rare penguins, alien-like fish and the world's most isolated inhabited islands
How one tiny island community makes a vast contribution to protecting ocean biodiversity
Is this the biggest maternity ward in the world? Mega nest of 41,000 huge animals in Amazon is the largest ever found...
How drones revealed over 41,000 giant South American river turtles nesting on the banks of the Guaporé River between Brazil and Bolivia.
It’s not just humans who love a strong jawline...
Birds
Why don’t baby birds make less noise to avoid attracting predators?
To be honest making a noise isn't always the best strategy for staying alive...
The 'Great Texas Freeze' killed thousands of beloved songbirds. Scientists are worried about what might happen next
North America’s largest swallow, the purple martin, was hit hard by winter storms in 2021. With erratic weather events becoming more common, experts are concerned about the bird's long-term survival.
Birdwatching may slow ageing of the brain, say neuroscientists
Learning to identify birds could be beneficial for cognition as people get older, according to a new study.
It has a bizarre beak, is twice as heavy as a robin and uses animal hair to make its nest
Meet the common crossbill, the chunky finch with a taste for pine cones.
It has a bandit mask and punk-rocker crest – and can eat a whopping 1,000 berries a day
Meet the waxwing – the exotic-looking bird with a penchant for berries.
It's made from 1,500 tiny white feathers, bound together with spider silk and takes up to 3 weeks to construct
When it comes to intricacy, few animal nests can compete with those constructed by long-tailed tits. This is how they make them
How to identify wildlife
Red squirrel vs grey squirrel: Think you know how they differ? Think again as the differences between these two squirrels will surprise you
We take a look at how the red squirrel differs to its American grey cousin
Brown rat or water vole: How to tell the difference between these two lookalike-rodents
When all you've seen is a flash of brown fur, it can be hard to know whether it was a water vole or rat. Though the two species tend to live in different habitats, there are areas where they overlap, potentially leading to cases of mistaken identity. So how do you tell rats and water voles apart?
Mink or otter? What's the difference between these two slippery, semiaquatic lookalikes?
How do you tell the difference between otters and mink?
LRPs, PG Tips and Jizz: Cracking the secret language of birders
You’re sitting in a hide and overhear other birders talking. The conversation ranges from ‘LRPs’ and ‘roosting Leos’ and you scratch your chin as you try to decipher their code – welcome to the world of birding jargon.
It's the fastest animal in the world and its deadly claws can catch prey mid-air: Meet one of the world's most incredible birds of prey
Peregrines are the ultimate urban predator. Learn all about them, including how to spot them ‘stooping’ to catch prey
Save 30% when you subscribe to BBC Wildlife Magazine, plus receive Simon Barnes’ latest release, Spring is the Only Season
Save 30% when you subscribe to BBC Wildlife Magazine, plus receive Simon Barnes’ latest release, Spring is the Only Season
Plants
It’s longer than a blue whale, is thousands of years old and drinks fog – meet this weird ‘living fossil’
This living fossil (having unchanged for more than 200 million years) can survive some of the harshest conditions on Earth
Plants play techno, chimps drum and one creature uses its minuscule penis as a bow – why music isn’t just for humans
It’s not just the hills that are alive with the sound of music – ponds and oceans thrum with tunes, too
It’s taller than Big Ben, can live for thousands of years and even regenerates after an entire forest burns down
Did you know the tallest tree species in the world can grow to more than 100 metres? Learn all about them
Does a tree know it's being eaten?
Can a tree protect itself if being eaten?
