Mammals
Fascinating facts about our warm blooded friends - the mammals.
"Its sinister, guttural croak reaches an impressive 140dB, far exceeding the 70dB achieved by even the most ear-splitting of human shouts."
How and why do howler monkeys scream so loud? Ben Garrod investigates
It's as tall as Brad Pitt, weighs 169kg, is up to 10 times stronger than a human and is the master of knuckle-walking
Our guide to one of our closest relatives – the gorilla, including the difference between the two species, why they're endangered and conservation work.
Are any animals actually bulletproof?
There are some animals, says Ellen Husain, that seem to be able to deflect bullets...
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Why do only small mammals hibernate? Why can't we?
Why don't larger animals hibernate? Steve Harris explains
They have enormous goggly eyes, sticky-out swivelling ears, long grippy fingers – and look like Yoda
All you ever need to know about the tarsier
Striking image of beavers in a Polish city wins 2026 Rewilding Europe award
The award is a special category in the European Wildlife Photographer of the Year competition, organised by the German Society for Nature Photography
Big cat spotted on camera trap in a Guatemalan forest. Here’s why experts are so excited
The sighting of a jaguar using a wildlife corridor may suggest that Central American populations are less fragmented than initially thought
Rare small cat caught on camera in the Andean foothills. Here’s why experts are so excited
The Andean cat is listed as Endangered, making every sighting vital for conservation efforts
Brave, kick-ass female zebra saves foal from infanticidal male
New research is uncovering the matriarchal secrets of zebras – including unprecedented behaviour, says Lucy Cooke
Watch brutal but incredible BBC footage – narrated by David Attenborough – of ferocious hippos battling for supremacy
Watch hulking male hippos clash in a wet and wild African showdown
Heart-stopping moment a crocodile attacks a vulnerable lion cub on a Zambian river – watch incredible footage of how its pride reacts
In BBC TV series Kingdom, a lion pride must cross croc-infested waters. Will they make it?
"He stopped, looked at me, snorted – and charged. I turned and ran, but was unceremoniously catapulted by the irate beast"
It looks like a gentle giant, but get too close and this 350kg mammal can charge – as one wildlife expert discovered the hard way
Rabies is back in mainland Europe – here's why and what we can do to stop it
Although the number of cases remains relatively small, scientists say it’s still cause for concern.
There are green birds, reptiles and fish – so why are there no green mammals? The strange reason almost all mammals are brown
The colour green is quite common among animals, but it's nonexistent in mammals…
Incredibly cute it weighs just 100g and is small enough to sit comfortably in your hand. This is the smallest monkey in the world
The world's smallest monkey isn't just cute, but also extremely impressive for its capabilities
Humpback whales are some of the ocean’s loudest creatures – so why do they sometimes ‘whisper’?
Scientists have been listening to newborn humpback whales and their mothers.
It looks like a pet husky – but this wild predator is built to survive the coldest conditions on Earth and dives headfirst into the snow to hunt
Amongst the most beloved of all Arctic animals is the adorable, yet tenacious Arctic fox. Here's all you need to know about the beautiful and mesmerising canine.
Whales were once hunted to the brink of extinction – what happened when the world called a halt to commercial whaling?
A moratorium on commercial whaling was introduced, and widely implemented, in the 1980s in a bid to stop the decline in whale populations – but did it work?
“Just freakish!” Experts uncover something extraordinary in one of the driest places on Earth
The discovery suggests the Atacama Desert was once far wetter than it is today – challenging the idea it has remained continuously dry for millions of years
Fat Bear Week 2026 kicks off: here's how to vote – and why everyone is so obsessed with it
For one week each September, Alaskan bears battle it out to be crowned the girthiest grizzly – but why?
World Rhino Day 2026: Here's how many rhinos are left on the planet
The International Rhino Foundation has published its 2026 State of the Rhino Report, which highlights the challenges facing global rhino conservation.
Scientists studied the world’s only singing lemur – and discovered something surprisingly human about its song
In the dense rainforests of Madagascar lives one of the animal kingdom’s best opera singers.
"Suddenly, I feel vulnerable. Darwin doesn’t look very pleased and he is pumped full of sex hormones: he is not an elephant you want to upset"
There’s more to life as a young male elephant than we thought. Kate Evans reveals a strangely familiar world of teenage gangs, raging hormones and bossy dads
Do any animals hold funerals?
Humans are not the only animals that mark death – across the animal kingdom, scientists have documented behaviours that seem remarkably similar to mourning, vigils and even funerals.
