Venomous lionfish are invading the Mediterranean Sea. The rise of these deadly predators has scientists worried
The species’ rapid spread across the Mediterranean, including to habitats previously thought to be unsuitable, could have significant ecological impacts.
There's a flying squid? Yes some squid really can fly - Here's how and why
Can squid really fly? Yes, says David Brian Butvill, there are a few squid species that can get airborne... Here's how and why
5 ways to live forever: the secrets to why some species can live for a very long time
Why are some species able to live for a very long time? We take a look at the characteristics needed for a long life
How nature can help us in creating a greener future
Nature is providing solutions to the climate crisis — but we need to do what we can to help
Monstrous prehistoric salmon with teeth like warthog tusks once roamed the Pacific Ocean
Palaeontologists believe the teeth of the giant fish – which was almost three metres long – may have been used for fighting and digging nests.
Are insects more active in the day or night? Scientists may finally have the answer
After observing more than three million insects, scientists in Australia have "a definitive answer to the age-old question of whether there are more insects out at night or in the day”. So, which is it?
Caterpillars are insects but have more than six legs. Here’s why
Discover the evolutionary marvels that contribute to a caterpillar's unique locomotion and survival strategies.
I went to Zambia in search of Tripod, a three-legged lioness who survived a poacher’s snare. This is her story.
Seven years ago, a poacher’s snare robbed a lioness of her leg. Against the odds, she lives on in Kafue National Park, Zambia. Mike Dexter goes in search of her
Sperm whales have been seen pooing on orcas in what scientists think may be a form of 'defensive defecation'
Researchers observed orcas fleeing from sperm whale faeces – but was this ‘defensive defecation' a tactic or just a coincidence?
Discover the flatworm that can survive being sliced up by a knife
Nick Baker explores the bizarre life of a freshwater flatworm
Birds
Meet the strange-looking bird making a spectacular recovery amid the skyscrapers of Singapore
We uncover the unique harmony between urban life and wildlife conservation in one of Asia's bustling cities
How do flocks of birds fly so close together without colliding? The mystery explained
Fascinated by the closely co-ordinated manoeuvres of starling flocks and other birds? Phil Gates takes a look at how birds are able to synchronise so precisely - and avoid crashing
How long do birds live?
Just how long do birds live? Stuart Blackman takes a look at the lifespan of birds
Which bird has the longest beak?
At 12cm this bird's amazing, dagger-like, beak is longer than its body
King penguin guide: species facts and where they live
Learn about the spectacular aquatic flightless bird known as the kind penguin in our expert guide, including essential species facts, diet and habitat. Plus, the mystery of the shrinking colony.
Loons in murky water. Why scientists in Wisconsin are worried about this icon of the northern wilderness
Reduced water clarity, caused by climate change, spells trouble for the common loon, according to a new study.
How to identify wildlife
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How to identify wildlife paths and beds
Tall vegetation in midsummer makes it easy to spot the regular paths that wild animals take - and where they rested.
How to identify mammal bones on the seashore
Mammal expert Steve Harris discusses which mammal bones you might find washed ashore, and how to identify them.
How to identify baby birds
Identify common baby birds with this handy chart
Roe deer guide: what they eat, how big they are and how to age a roe deer by their antlers
Learn all about the roe deer, Britain's most widespread deer
Heron vs egret: what's the difference between these two leggy, long-necked, elegant birds?
Know your herons from your egrets? Tom Hibbert from The Wildlife Trusts takes a look at some of the differences…
Plants
Why are plants hairy?
We take a look at why plants are often covered in hairs
Do dock leaves really help nettle stings?
Ouch, a nettle sting! Time to look for a dock leaf, but will it actually work? In our expert nettle guide we explain why it stings, whether dock leaves help, and more
Play Wordle the wildlife way with our A-Z of five letter wildlife words! How many more can you add?
Like millions of people around the world, we've caught the Wordle bug! And it got us thinking about wildlife-themed five-letter words ...
What's the oldest tree in the world?
There is some debate surrounding the world's oldest tree. Here's why