The WORST episodes of David Attenborough's Natural Curiosities

Every episode of David Attenborough's Natural Curiosities ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of David Attenborough's Natural Curiosities!

Sir David shines the spotlight on some of nature’s evolutionary anomalies and reveals how these curious animals continue to baffle and fascinate.

Last Updated: 3/18/2024Network: BBC TwoStatus: Ended
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Magical Appearances
star
6.67
54 votes

#1 - Magical Appearances

Season 2 - Episode 10 - Aired 3/18/2014

Magical Appearances explores how swallows magically appear each spring and asks how did complex and beautiful insects like butterflies suddenly arrive in the summer.

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Remarkable Regeneration
star
7.00
16 votes

#2 - Remarkable Regeneration

Season 3 - Episode 6 - Aired 3/9/2015

Salamanders can regenerate entire legs and tails to replace ones they have lost, while deer shed their massive antlers and re-grow them from a few remaining cells each year. How do these creatures regenerate entire body parts and why is it not possible for all animals to do the same?

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Curious Counters
star
7.06
18 votes

#3 - Curious Counters

Season 4 - Episode 4 - Aired 2/12/2018

Can animals count? This is a question that has intrigued and fooled investigators for a long time. Just over a hundred years ago, a German horse called Hans was declared a mathematical genius but all was not as it seemed. And strangely, some bamboos around the world flower exactly at the same no matter where they are – are they counting down the years?

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Incredible Shells
star
7.07
15 votes

#4 - Incredible Shells

Season 4 - Episode 5 - Aired 2/16/2018

David Attenborough investigates two shells that have proved to be winners in evolution: the bird’s shell and the hard shell of the tortoise. The ostrich egg is so strong it’s possible for a person to stand on it without it breaking – how does the chick break out of this fortress? The evolution of the tortoise shell was for a long time a mystery and this bony box offers a lot more than just protection.

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Expandable Bodies
star
7.19
26 votes

#5 - Expandable Bodies

Season 3 - Episode 3 - Aired 2/16/2015

The bodies of some animals stretch and shrink in extraordinary ways. The anaconda can swallow prey twice its own body size - and then wait for over a year until their next meal. The camel’s curious hump can almost double in weight giving it the energy to travel huge distances across deserts. What is the secret behind these expandable bodies?

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Curious Minds
star
7.27
26 votes

#6 - Curious Minds

Season 3 - Episode 2 - Aired 2/9/2015

Orangutans can use tools but such skills remained undiscovered for centuries. They were considered as just clever mimics until discovery in remote Sumatran swamps revealed their true potential. Clever crows also make surprisingly sophisticated tools. How have the curious minds of these two animals helped them become so inventive?

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Extreme Babies
star
7.28
18 votes

#7 - Extreme Babies

Season 4 - Episode 3 - Aired 2/12/2018

The giant panda gives birth to the smallest baby of any mammal and has to care for and protect it for many months. The kiwi lays one of the largest eggs in the bird world, which produces a very well developed chick. Why don’t pandas give birth to more developed, robust young and why do kiwis produce a single egg that is a quarter of its body mass and almost too big to lay?

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Curious Cures
star
7.38
24 votes

#8 - Curious Cures

Season 3 - Episode 5 - Aired 3/2/2015

Humans are not alone in using medicines against injuries and infection. Some animals protect themselves with natural remedies in the most extraordinary ways. Hippos produce a blood-red “sweat” that acts as a sunblock and helps fight infections, while capuchin monkeys rub themselves with insect-repellent leaves to protect against insect bites.

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Ferocious Fighters
star
7.45
20 votes

#9 - Ferocious Fighters

Season 4 - Episode 6 - Aired 2/15/2018

The Siamese Fighting Fish is so aggressive it will fight its own reflection until it is exhausted. Recent research shows that the fighting behaviour varies and depends on the personality of the fish! Male kangaroos were once pitted against humans in the boxing ring – the most impressive male kangaroos are solid blocks of muscle with a kick that can kill. Why do they fight and what skills must a winner have?

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Stretched to the Limit
star
7.48
60 votes

#10 - Stretched to the Limit

Season 1 - Episode 1 - Aired 1/29/2013

Some animals appear to have taken Nature’s gifts and stretched them to extreme limits. With these two natural curiosities one creature, the giraffe, has ended up with a super-stretched neck, the other, the chameleon, a super stretchy tongue. In both cases nature has found a way to turn the ordinary into the extraordinary.

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Seeing the Pattern
star
7.61
46 votes

#11 - Seeing the Pattern

Season 1 - Episode 5 - Aired 2/26/2013

Zebra stripes vary subtly between the different species but there is one group of animals that has evolved colourful patterns of seemingly infinite variety, the butterflies. In this episode David looks at two examples of animal patterns that have bedazzled and baffled science for a long time, and uses modern tools to unlock their secrets.

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Armoured Animals
star
7.62
29 votes

#12 - Armoured Animals

Season 2 - Episode 2 - Aired 2/18/2014

Sir David Attenborough tells us about some amazing animals. Focusing on the rhino and hedgehog, which have developed thick skin to protect them.

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Curious Feeders
star
7.67
24 votes

#13 - Curious Feeders

Season 3 - Episode 4 - Aired 2/23/2015

The blue whale and the flamingo both have bodies determined by their diet. Blue whales grow enormous by feeding on tiny shrimp-like creatures, while flamingos spend their lives eating with their heads upside down. Both are oddities in their own groups and yet both are curiously similar.

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A Curious Hoax?
star
7.70
54 votes

#14 - A Curious Hoax?

Season 1 - Episode 2 - Aired 2/5/2013

David discovers the curiosities that have led to accusations of forgery but have ultimately helped us rethink evolution. When early explorers brought the first specimen of a duck-billed platypus back to England in 1799, it was thought so bizarre it was deemed a hoax, while the midwife toad became the centre of a raging scientific storm in the 1920s that led to accusations of fakery.

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A Curious Twist
star
7.74
46 votes

#15 - A Curious Twist

Season 1 - Episode 4 - Aired 2/19/2013

The single spiral tusk of the narwhal inspiration for tales of unicorns and the myriad variations on the twist of the snail shell have delighted and fascinated naturalists and artists since the dawn of civilization.

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Animal Frankensteins
star
7.74
27 votes

#16 - Animal Frankensteins

Season 4 - Episode 1 - Aired 2/14/2018

Hybrids can be bizarre and they can be deadly. We look at two hybrid animals that owe their existence to human interference – the pizzly bear (a cross between a polar bear and grizzly), which has come into being because of global warming, and the killer bee brought into existence because of the transfer of African bees to South America.

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Young Wrinklies
star
7.80
46 votes

#17 - Young Wrinklies

Season 1 - Episode 3 - Aired 2/12/2013

David encounters two examples where Nature has tinkered with the aging process to alarmingly different effect – the first grows old while trapped in a young body while the second looks old from birth but might hold the key to a long life.

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Shocking Senses
star
7.81
27 votes

#18 - Shocking Senses

Season 2 - Episode 6 - Aired 3/4/2014

Plants and animals have some curious super senses that we find hard to fathom in our world of only five senses. We learn about how naturalists found out some eels were electric.

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Strange Parents
star
7.82
55 votes

#19 - Strange Parents

Season 2 - Episode 9 - Aired 3/18/2014

Sir David Attenborough shines the spotlight on nature's most amazing animals. Looking at female hyaenas and why male seahorses give birth.

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Impossible Feats
star
7.88
26 votes

#20 - Impossible Feats

Season 3 - Episode 1 - Aired 2/2/2015

Fleas are supposed to be able to jump the equivalent of a human leaping over St. Paul’s Cathedral and cheetahs purportedly can clock speeds of 70 miles per hour. But are these claims really true? The discovery of the world's most elastic natural protein in insects and the development of a hi-tech tracking collar have helped reveal the truth. So can these creatures really achieve what should be physically impossible?

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Finding the Way
star
7.90
29 votes

#21 - Finding the Way

Season 4 - Episode 2 - Aired 2/13/2018

Some animals have an extraordinary ability to find their way. The dung beetle, an insect revered by ancient Egyptians, uses the sun, the moon and even the Milky Way to move its prized ball of dung in the right direction. Pigeons are often considered feeble birdbrains, but they have incredible memories that can recall several complex travel routes with amazing accuracy and they even use manmade roads and hedgerows to find the quickest way home.

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Virgin Birth
star
8.86
63 votes

#22 - Virgin Birth

Season 2 - Episode 1 - Aired 2/18/2014

Sir David Attenborough reveals more of nature's most amazing animals. Looking at the way female Komodo dragons and aphids reproduce.

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Life in the Dark
star
8.91
57 votes

#23 - Life in the Dark

Season 2 - Episode 3 - Aired 2/25/2014

Sir David Attenborough looks at the eyes of squid and owls and how they've managed to maximise their vision.

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Curious Imposters
star
8.95
57 votes

#24 - Curious Imposters

Season 2 - Episode 4 - Aired 2/25/2014

In Curious Imposters we look at cuckoos and the way the death's-head hawkmoth steals honey.

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Spinners and Weavers
star
8.98
54 votes

#25 - Spinners and Weavers

Season 2 - Episode 8 - Aired 3/11/2014

Nature's inventiveness is expertly highlighted in the artistry of weaving and the unique properties of silk.

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