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
Baby elephant suck their trunks, like human babies suck their thumbs. Here's why...
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
Meet the southern grasshopper mouse, the killer mouse that howls at the moon when it strikes
Why the howl of the Southern grasshopper mouse is an eerie warning to its predators
Meet the moon snail, a killer predator who likes to paralyse and liquidise its prey
If you're visiting a sandy beach you may like to reflect on something that might be going on below your feet. Lurking behind the veil of wet sand, a killer is on the prowl. A driller-killer, no less. Let me introduce you to the moon snail
Which animal has the biggest testicles? The results might surprise you...
Karim Vahed takes a look at which species has the biggest testicles
Lord Voldemort ant discovered in Australian outback
The ghostly new species of ant, named after the Harry Potter villain, was found in the Pilbara region of north-west Australia.
Tardigrades: meet these fascinating tiny water bears that are the toughest creatures on earth, able to survive being microwaved and sent to space
Tardigrades are one of the toughest and most intriguing creatures on Earth. Nick Baker takes a look at these microscopic bear-like creatures, also known as water bears
Largest snake to ever live discovered in an Indian mine
Scientists in India have discovered the remains of an ancient snake species which may have reached lengths of up to 15 metres, according to a new study.
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