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A 6,190m giant rises from the Alaskan wilderness. It's the highest mountain in North America. Here what lives there
Spanning six million acres of rugged wilderness, Denali National Park is home to North America’s highest peak – and a cast of incredible, cold-loving creatures.
"As with humans, their greatest enemies are the same species. At the frontier they detect friend or foe by smell and interlopers are repulsed…"
Ants are often a much-overlooked group of insects, but they have fascinating behaviours and adaptations, as entomologist Richard Jones explains.
It has no brain or blood – but this five-armed creature is a formidable predator
The common starfish has two stomachs – and it forces one of them out of its mouth to consume prey.
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"This means that those returning in the spring will be the ‘great-great-grandchildren’ of those that left the previous autumn…"
Mike Unwin explores just how far this remarkable butterfly species travels when migrating
"What no one knew at the time was that many of those committed couples were, to put it anthropomorphically, lesbians…"
When males are scarce, the female Laysan albatrosses of Hawaii will partner up to raise young, as zoologist and broadcaster Lucy Cooke explains.
It’s bigger than your thumb, has immense jaws and is nicknamed the flying bulldog – Meet the largest bee on the planet
Discover the giant bee of Indonesia.
"They will use this claw to rip open the soft bellies of humans to devastating effect..." 6 deadliest, most dangerous jungles on the planet
In the world’s jungles, danger comes in many forms – deadly predators, fatal disease, hazardous terrain, extreme isolation, and conflict with hostile humans.
"It has a reputation for cunning, opportunism and haunting twilight calls..." Does this wild dog really deserve its bad reputation?
All you ever needed to know about the jackal
"This 5kg bandit-masked carnivore is North America's most numerous mammal and often regarded as the ultimate urban pest"
Learn all about the raccoon, from size and diet to how they became slick city dwellers, including one enterprising individual who scaled a 25-storey Minnesota high-rise
‘Large potential wildlife moving near the weather station.’ Polar bear-detection system successfully clocks family in Canada’s High Arctic
As the climate changes, the chances of polar bears and people interacting are increasing. A new AI radar detection system, known as Bear-dar, aims to reduce surprise encounters, helping to keep both polar bears and people safe.
"It's like walking over flaming charcoal with a three-inch nail embedded in your heel.” The wasps and bees with the most painful, savage stings on the planet
Not all stings are created equal – explore the bees and wasps whose powerful venoms produce some of the most intense pain ever recorded
Climate scientist whose work shaped modern climate science says US government report got his research 'completely wrong'
An American climate scientist has strongly criticised a US Department of Energy (DOE) report on the impacts of climate change in the US.
This adorable animal has a bizarre body part – and a hidden camera just caught it showing it off
Striped possums have a shockingly long tongue to help them scoop insects out of their hiding places.
It's the length of Africa, home to more than 2,000 marine species—many found nowhere else on Earth—and one of the world's largest underwater forests
The Great Southern Reef might be less known than the Great Barrier Reef but it’s similarly spectacular
“It seizes the victim with large spines, impaling and immobilising the prey…” This ultimate hunter might look like a spider, but don’t be fooled…
In this clip from BBC Earth’s Expedition Guyana, George McGavin explores an extreme habitat underneath a fallen, hollowed-out tree in a Guyana rainforest, and comes across something interesting…
Which country has the longest coastline? Clue – there's a colossal 265,523km of it...
Which country has the longest coastline? Well, it depends on what you include, says Stuart Blackman
"It's the size of a house cat, with all the charisma of rusty-red teddy bear..."
All you need to know about the charismatic red panda
It's one of the world's most intelligent birds - whose curiosity - & taste for meat - led the New Zealand government to encourage their mass killing
With its intelligence and almost human sense of humour, the kea is a firm favourite in New Zealand, but its appetite and curiosity can lead it into trouble.
"Without warning and impossible to see with the naked eye, the prey vanishes..." 3 fastest bites in the animal kingdom
Some animals are so quick, zoologists have only been able to examine the physics of their 'bite' in recent years with the invention of super-slow-motion filming techniques. Here are some contenders for the fastest animal bites on Earth...
"They eat their hosts from the inside out, using saw-like teeth to chew their way through thick skin." 10 most brutal, savage, parasites on the planet
Lurking in the shadows of many ecosystems are animals whose main motivations are, quite literally, to hijack the bodies of others and eat them from the inside out…
Does grass scream when you mow it down?
Enjoying cutting your lawn? Next time your relish the smell of freshly cut grass remember it's a scream of distress from the plant you're mowing
"One individual can consume as many as 300,000 in a night..." It might be called a wolf but this is no wolf...
All you ever needed to know about the aardwolf
"Multiple stings can cause alarming swelling, nausea, vomiting, dizziness and confusion. An average human would be lucky to survive 1,000 stings"
What makes a slight skin prick, administered by a bee or a wasp, turn into a life-threatening emergency?
"A single, accidental step can trigger intense, burning pain, inflammation and nausea that can last for hours. In rare cases, it can cause death."
Sometimes it's not a good idea to walk barefoot across a beach...
