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These birds have never seen rattlesnakes before. Here's what happened when the two of them met
Red-winged blackbirds differentiate between venomous and non-venomous snakes when defending their nests, even if they've never come across the species before, according to a new study.
"It sounds like the two-tone horn of a fast train approaching a station. Unfathomably, females find the noise attractive…"
Just which bird has the loudest call? And how do they produce such a peace-shattering sound?
Should we feed bread to ducks?
Should you feed bread to birds? Stuart Blackman takes a look at the evidence
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This coral reef gets bombed every 62 minutes. And it’s changing the way the ocean sounds
Researchers studied the frequency and impacts of bomb fishing, an illegal fishing practice, in the Spermonde Archipelago
"It causes a pearl’s surface to reflect light while giving it a translucent lustre. This pearlescent quality is the pearl's most beautiful feature…"
From what they're made of and how they form to what give pearls their colour, here is everything you need to know about beautiful and sought after, natural pearls
"A female that's around 8cm can produce 1 million larvae, while larger individuals can produce as many as 2 million larvae in a single event"
Also known as the European flat oyster, this humble mollusc used to be a vital aspect of London's food trade and is deemed to be an ecosystem engineer. Learn more in our expert guide from the Zoological Society of London (ZSL).
"Their most obvious function is for digging, used like bulldozer buckets to shift and shovel the mud into shape and create their home…"
Nick Baker takes a look at the life of a mud scud?
"That’s the length of a double-decker bus!" 30ft titan tops biggest dolphins in the world list
From the mighty orca to the enigmatic Risso’s dolphin, these individuals remind us that the dolphin family is far more diverse - and far more impressive - than we may realise.
A ferocious predator is hiding in this image – can you spot it in less than 11 seconds?
Can you find the deadly hunter in this image?
Scientists looked inside the heads of crocodiles – and made an astounding discovery
Researchers have discovered that the brains of crocodiles and their close relatives have remained almost completely unchanged for 100 million years.
Family of super-rare black-and-white monkeys spotted in remote mountains of Vietnam
There are estimated to be fewer than 600 Delacour's langurs left in the wild, making the sighting particularly special.
When an expedition team went to the Falkland Islands, a group of curious animals surrounded them
A large group of king penguins approached the researchers “before giving a trademark side-eye and waddling off”.
‘Golden trees’ over 1m tall discovered deep in Pacific Ocean
An extraordinary new coral species resembling a gilded tree has been found off the coast of Costa Rica.
Sea muppets look just like seahorses – but they are not really seahorses at all...
The body form of the fish we know as the seahorse has evolved multiple times in the same family
“I had to do a double take." Marine biologists peered into a shark egg and were astounded by what they saw
In spring 2025, researchers documented the first confirmed case of identical twins in small spotted catsharks.
“The male has a terrifying needle-like reproductive organ that leaves the female with a gaping wound in her abdomen…”
Bed bugs aren’t anyone’s favourite insect – but spare a thought for the female bed bug.
It is as long as shipping container, contains enough neurotoxins to kill 20 humans and can swallow prey whole
All you need to know about one of the world's most venomous snakes, the king cobra
The humongous, deadly and highly venomous Komodo dragon can kill a human, yet Indonesian villagers let them roam on school playing fields
On the remote reaches of Komodo island, people live alongside dragons. We find out how they do it – and why they're willing to take the risk.
Eagles have it, herons don’t – What really makes a bird a ‘bird of prey’?
Why are some birds referred to as birds of prey, and others aren't?
Can lions and tigers co-exist?
Why do snakes shed their skin?
You might have seen a ghostly snake skin left behind on a walk – but have you ever wondered how snakes shed them?
"It's like being shot or walking over hot coals with a rusty nail driven into your foot…" World's 10 most agonisingly painful stings from creepy-crawlies
You might want to give these creatures a wide berth
It weighs the same as a gorilla, can reach 3m long and has a huge mouth packed with rasping teeth – and it’s been biting swimmers
The 3 metre freshwater fish wreaking havoc in Spanish rivers
Perfectly camouflaged as it slips through the forest at twilight, this little-seen, mysterious, ambush predator climbs like a cat and swims like an otter
With its liquid movement and striking dappled coat, the ocelot must surely rank as one of the most alluring wild cats on the planet.
