Mammals
Fascinating facts about our warm blooded friends - the mammals.
How do whales breastfeed underwater?
Do whales produce milk? Do whales have nipples? How does it all work underwater? Read on to find out all the whale nursing facts you've been wondering about.
How many legs does a kangaroo have?
Scientists say kangaroos have a third leg masquerading as a tail.
Sea otters are suddenly flourishing along the Monterey Peninsula – for a surprising reason
The otters appear to be benefiting from the dramatic disappearance of another marine predator.
This creature might be tiny but it sure is mighty as it has a backbone strong enough to withstand being stood on by a 70kg human
Is there really a shrew that can survive being stood on by a 70kg human for five minutes? Nick Baker investigates
The mysterious ‘Asian unicorn’ hasn't been seen since 2013 – here's why scientists are desperate to find it
The almost mythical, horned saola has only been sighted a handful of times in the remote highland forests of Vietnam and Laos.
Scientists studied 164 mountain gorillas in Rwanda's Volcanoes National Park – here's what they found out about friendship
The research reveals complex positives and negatives of friendship in these critically endangered primates.
Why was New Zealand once free of land mammals?
Many of New Zealand's native species are endemic – but they are often birds, reptiles and marine life. So why does New Zealand have so few mammals?
What's the highest place on the planet you can find primates (not including humans)?
Met the endangered primate that thrives at an altitude of almost 5,000 meters
Camera traps just caught this beaver farting on a quiet riverbank in England
Conservationists had “a good giggle” when the beaver broke wind.
It's nicknamed the 'bearcat', smells like popcorn and lives in trees – meet the baffling binturong
Animals don't come much more peculiar than this tree-dwelling mammal from the rainforests of Southeast Asia.
How do squirrels find their nuts?
Squirrels spend autumn stashing nuts away for winter, but how do they find them again? Sense of smell, memory and chance all play a part.
Why polar bears can't live in Antarctica
Yes polar bears could live in Antarctica, but the results would be disastrous...
Is it just humans that blush?
Science writer Stuart Blackman discusses the unique expression of blushing.
Which animal sleeps the most?
We take a look at the world's most sleepiest animal
Can animals catch yawns off humans? And why on Earth do we yawn anyway?
Although it might not be exactly clear why humans and animals yawn, the contagiousness of yawns is undoubtable – but how does it work in the animal kingdom?
What on Earth is a puggle?
This may be one of the oddest-looking animal babies in the natural world.
"Extremely rare event": why an ancient bone found at Dinosaur Cove in Australia has got evolution scientists so excited
The small bone was discovered 30 years ago, but it wasn't until now that its significance was fully understood.
10 animals that can kill a lion
Although they are apex predators, lions do face threats from other animals. Here are 10 that are capable of killing lions.
Watch amazing new BBC footage of macaques stealing babies to resolve arguments
This act might look aggressive, but it’s actually rather commonplace for male macaques to borrow females’ babies as a peace offering when they lose an argument
This desert cutie is the smallest dog in the world - and also the dog with the biggest ears
All you ever wanted to know about the fennec fox
Flying foxes: These extraordinary tropical flying mammals can travel 30km a night in search of food
All you ever wanted to know about flying foxes
"A male's penis may be all that a female has to go on when assessing the quality of her suitor."
When you can't choose your suites by sight you have to rely on other attributes
Huge outcry as Australia shoots 700 koalas from helicopters
The cull took place following a large bush fire that destroyed thousands of hectares of habitat in Budj Bim National Park, Victoria.
Bite marks found on York skeleton provide first evidence of Roman gladiators fighting lions
The skeleton offers the very first physical evidence in Europe of human-animal combat, say researchers.