It might be called a cat but this is no cat, and can even climb down trees head-first. Discover the USA's weirdest, most secretive predator...
Learn all about the fisher in this expert guide by Pamela Flick, from Defenders of Wildlife
"Marine animals were mysteriously dropping dead: around 1 million were wiped out." Scientists now know the reason why – and it's terrifying
Marine researchers in Australia have found what might be the most toxic species of microalgae ever studied.
“350,000 are culled each year – it should be more like 750,000.” Rising deer populations are ravaging woodlands in the UK
With rising deer populations destroying woodlands, the UK faces a simple question: why aren’t we eating more of them?
Bee vs fly: what's the difference between these two buzzing insects?
We think we know the difference, but sometimes one of these insects mimics the behaviours of the other – which can make things very confusing...
The huge 200kg 'man-eating' sea monster that never actually ate anyone
These colossal clams were rumoured to kill humans but the opposite is true – climate change, pollution and overharvesting are pushing them to the brink
It's adorably fluffy, weighs the same as a border collie dog, sleeps for 20 hours a day - and communicates by snoring and belching
The koala is an iconic marsupial native to Australia, and was originally thought to be related to bears.
“The fish’s brain, nervous systems and internal workings of the head are visible.” Meet the see-through deep-sea dweller
Down in the twilight zone, this fish’s head is see-through for a reason
Researchers went into a Neolithic cave on a remote Swedish island – and found unexpected remains
Archaeologists unearthed the remains of two canids in a cave on an isolated island – how did they get there?
It looks like a cat, acts like a cat, but don't be fooled – this is no cat... Discover Madagascar's agile, stealthy, ferocious apex predator
We take a look at one of the strangest predatory mammals on the planet, the fossa
Can any animals kill a polar bear? 6 contenders that could just be brave enough to take on the deadliest, most powerful bear on the planet
Polar bears are the Arctic’s apex predator, but are there any animals that might emerge victorious in a face-off?
Birds
“I was photographing seabirds on a remote island off Norway. Then a huge predator appeared from nowhere”
Wildlife photographer Josef Stefan on no-show bustards, eagle drama and a lens cap fail
“It's deadlier than cyanide and causes paralysis and death. And, unfortunately, there's no known antidote..." 8 most poisonous BIRDS on the planet
They say that you are what you eat – and these unassuming birds eat toxins like it’s nothing.
Meet the mighty, majestic Andean condor, one of the world's most powerful and impressive birds and at 15kg the heaviest bird of prey
The mighty Andean condor – the heaviest bird of prey in the world and the raptor with the longest wingspan – needs little introduction, says Mike Dilger. Learn all about them in his expert guide - including where to see them
Fierce, majestic – and built to kill – The world's biggest and mightiest birds of prey
All you need to know about the magnificent birds of prey, including the biggest in the world
"It stands on its rock looking not so much like a streamlined submariner as an overfed blackbird"
Known in Welsh as a ‘bird of the torrent’, the dipper is the UK’s only aquatic songbird and always fascinating to watch.
Do birds pee as well as poo?
When it comes to excretions, birds do a two-for-one deal
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
A giant 'horror movie' plant that can cause painful burns, eye damage and even blindness – with some effects persisting for months or years
You definitely don't want to go anywhere near this highly toxic plant. Here's what to look for and how to deal with it
Researchers took moss from the Californian desert – and found something very weird (and tiny) in it
Mosses are known for their durability, able to survive anywhere from the peaks of the Himalayas or the sands of Death Valley, to the unforgiving vastness of space
Vomiting, paralysis, kidney failure, death: This foul-smelling plant is so deadly it was used to execute condemned prisoners in ancient Greece
This common wildflower looks like several other plants but if you confuse them you'll regret it. Discover hemlock and just how poisonous it is
