Debbie Graham
Former veterinary nurse Debbie Graham is passionate about animals and the countryside. Growing up in the Lake District, surrounded by animals, she likes nothing better than taking to the fells - via foot, bike or horse – accompanied by a dog of course
Recent articles by Debbie Graham
"These are not ordinary teeth as not only are they razor sharp and coated with iron, they have a pair of venom glands in their lower jaws" World's 7 deadliest reptiles
Uncover the deadly secrets of the world's most deadly reptiles.
It once numbered in the millions and even blocked out the sun – so why did the passenger pigeon suddenly become extinct?
All you need to know about the passenger pigeon, including why this once abundant bird went extinct
It has three hearts, changes colour as fast as you can blink and fools rivals into thinking it’s female – meet this clever marine creature
Learn all about the amazing colour-changing cuttlefish
It can mimic facial expressions like humans and is the smallest of its kind in the world – meet this charismatic creature
What are sun bears? Where do sun bears live? Learn all about this beguiling and elusive bear in Heidi Quine's expert guide
On the brink of disappearing forever: Kew Gardens reveal the world’s rarest, most threatened plants
We take a look at 10 rare plants on the brink of extinction (or already extinct) in the wild, with the experts at Kew Gardens
This deadly creepy crawly is a foot long with 21 legs, venomous enough to kill a bat - and a small child – and has eaten flesh from a human corpse
Meet the biggest - and most venomous - centipede in the world
What is a a keystone species? Meet nature’s hidden power players
What is a keystone species? What role do keystone species play in the structure of an ecosystem? Stuart Blackman explains
11 of the rarest animals in the world and at high risk of being lost forever
More and more species are becoming at risk each year. Nida Al-Fulaij from the People’s Trust for Endangered Species takes a look at 11 of the rarest animals in the world
What is a black panther?
What is a black panther? Do black panthers really exist? Stuart Blackman explains
8 amazing animal dancers: Here are the best toe-tapping, hip-swivelling movers and groovers in the business
Who is the best dancer in the animal kingdom? It's time to find out as our favourite 8 species take centre stage and strut their stuff - do you agree with our choices?
From thumb-sized to dinner plate proportions, these are one of the most feared creepy-crawlies on the planet – but do they deserve their deadly reputation?
What are tarantulas? Why are these spiders so feared? Danniella Sherwood from the Natural History Museum explains all you need to know about tarantulas
9 weirdest reptiles in the world, from lizards that run on water to a devil with two heads
Discover the world's weirdest and wackiest reptiles
Beaked whales are one of the strangest, rarest and deepest-diving marine mammals in the ocean - sometimes diving more than 2.5km down
102 incredible animal facts: Discover extraordinary truths about the natural world and the remarkable creatures that call it home
Impress your friends and family with your newfound animal knowledge.
10 deadliest fish on the planet: you won't want to meet these fearsome species underwater
Beyond the shark! We bring you a veritable who's who of the scariest fish species lurking in the deep (and not-so-deep) waters.
These are the rarest sharks in the world – and before long they could be extinct, warn Shark Trust
Uncover the mysteries of the ocean's most elusive predators with our roundup of the world's rarest species of sharks and rays
Arachnophobes look away now as here are the weirdest spiders in the world – including one that has a taste for human blood…
Check out the weirdest spiders in the world, from the curiously-named 'happy-bum spider' to a fearsome species that eats its sexual partner
Weirdest trees in the world: Discover nature's 8 wackiest - including a deadly exploding one that's named the 'dynamite tree'
Meet some of the weirdest and oddest trees on the planet
"Balloons don’t get much bigger than a gas-filled whale": Just why do whales explode?
Just why do whales explode? What causes these giants of the sea to fill ip with gas when they die? Stuart Blackman explains
9 weirdest snakes in the world, from flying serpents to spider-tailed vipers. There's even a spiky species that looks more like a dragon...
Discover the planet's most bizarre and frankly weird snakes, including one that can glide through the air
Giraffes only sleep for 30 minutes a night and only drink a couple of times a week? Discover 15 crazy facts about the world's tallest animal
Impress your family and friends with your giraffe knowledge
There are probably more flightless birds than you think – Meet 11 curious - and often weird - land-based avian wonders
There are some birds that can't take to the sky, despite having wings. Discover 10 curious and wonderful birds that have lost the ability to fly
There's an animal in French Guiana that blows itself up when faced with danger
How a 'backpack' full of a toxic blue substance allows a termite to blow itself up, along with the threat, if its colony is threatened
8 animals beginning with 'v' including a blood-sucking spider and the world's rarest porpoise
From the vampire bat to viperfish, here are 8 animals beginning with the letter 'v'