You ever stop to think how cool and amazing
animals can be? I mean really. Why are some of them black and white? What kind of insect
sees the whole world in slow-mo? Who is an immortal being? Let’s find out! We all know that a comedian tells jokes, but
a chameleon can change its color. But it’s not the only one! Flat fish such as flounder
can merge with the seabed, like a real superspy. Many types of seahorses are similar to chameleons.
Not only because of their ability to change color but also in that their two eyes move
independently from each other. There are seahorses that can’t change color at will, but they’re
born with a color to blend with their habitat. Red for coral or green for algae, for example. Octopuses change color faster than anyone.
And closer to the water surface, when sunlight reaches them, octopuses become transparent! Snow hare changes the color of its fur, but…
only twice a year. In winter, it is white and disguises itself in snow to hide from
predators. Also, its fur becomes longer to protect the animal from cold. In spring, its
fur turns grey. Baby flamingoes are greyish-white. Algae and
seafood they feed on contain a substance called carotenoids, and thanks to it, over time,
flamingoes acquire pink plumage. The plastic ones – you can see in my backyard. By the
way, carrots are orange exactly because of carotenoids, but they’re not animals, so
forget that. Tigers don’t change color, but their skin
is peculiar too. Each tiger has unique stripes, just like human fingerprints, and it’s their
skin that bears those stripes, not just fur. Yes, if you shave a tiger head to toe, it
will still look like a tiger. Only bald. Polar bears aren’t at all white. Their skin
is black under the fur. They need white color to disguise themselves while on the hunt.
The color black absorbs the sun better than any other, while white fur doesn’t stop sunlight.
Rays pass right through it. In a sense, polar bear has transparent fur. The black and white color of a zebra doesn’t
help it hide from predators. What it does is help avoid bites of insects that carry
diseases, such as a Tsetse fly. A fly sees a zebra, but when approaching, it flies by
or crashes into the animal and bounces off. Nobody knows exactly why this happens. One
theory says that the black and white coat of a zebra creates an optical illusion that
confuses insects. Also, zebras can’t sleep alone. They sleep
in groups, having one of their ranks to watch out for predators. Kind of a “Zebra patrol,”
I guess. Some black skunks have white spots, which
they use as a warning to predators. The color kinda says, “Hey, bugger off, or you’ll
get a lotta stink.” And predators dig this. Scientists have found the reason why pandas
are black and white. Giant pandas live in areas where vegetation meets snow. The black
and white coat helps to camouflage the bears in such an environment. Also, pandas know
each other by black spots around their eyes. There’s a myth that cats and dogs see the
world in black and white. In reality, they just can’t distinguish some colors. Nobody
knows how exactly dogs see. Some think they only distinguish two colors. Could be blue
and yellow, for all we know. But they can see shades of other colors better than people!
And cats have wonderful night vision. They need about 7 times less light than a human
to see in the dark. Cows and bulls don’t care how green the grass
is. These animals don’t distinguish colors well enough. And contrary to the popular belief,
bulls don’t care about red fabric. They react to fast movement before their eyes. And because
of the special eye structure, they think that the surrounding objects are closer than they
really are. That’s why cows are often scared when people come up to them. Thanks to their tallness and good eyesight,
giraffes can see the enemy approaching from afar. Their head is like a watchtower. And
they warn each other of the danger in a very unusual way: with the help of their well-developed
eyebrows. Like this! Or this! Giraffes were thought to be mute. But recently,
it’s been found that they make low-frequency sounds at night to communicate with each other.
It’s likely that at night it’s difficult to see the eyebrows, so they start talking
this way. By the way, giraffes fight each other with their necks. And, you were ever
to get swallowed by a giraffe, it’s be a long, long trip to the tummy. Geckos have incredible night vision. These
small lizards see 350 times better than humans at night. This allows geckos to see the stunning
starry sky. People can see such a sky only through a telescope or in a sci-fi movie.
But I doubt that geckos can enjoy the view. Unless they catch sight of their home planet.
Well they look like aliens… Night vision doesn’t work if there is no light
at all. But some species of snakes are able to see even under such conditions. They have
infrared receptors on their heads. These help the snake “see” the temperature. You know,
like in spy movies. Eagles have the sharpest vision of all. They
can see a mouse from several miles away. These birds of prey see a very clear image and are
also able to scale vision, just like a camera on your phone. But, of course, with a lot
more megapixels. Some insects, such as flies, have thousands
of little sections in the eyes. Each section can show only a small portion of the view,
which makes it look like a puzzle. Flies see a very fuzzy image. But they have a superpower:
an ability to see everything in slow-mo. That’s why a fly always gracefully dodges your newspaper. Spiders have several pairs of eyes, which
doesn’t help them see very well, though. Some spiders don’t see at all or discern only light
and shadow. They just focus on vibration of the spider’s web when something touches it.
But there’s one spider species with a perfect eyesight: the jumping spider. It has eight
eyes and can see the world in super HD. And it’s also the cutest spider on the planet.
Well it’s my opinion. Some frogs can only see moving objects. There
can be a lot of food around it but if the “lunch” doesn’t move, the frog won’t see
it. Fish breathe with the help of gills, whales
with the help of a hole on the top of their head, and white-throated snapping turtles
can breathe through their… butts. Scientists call this cloacal respiration. And that’s
about all I care to say about that. Seagulls can drink saltwater. There are salt-secreting
glands near their eyes. These glands purify seawater very quickly. And the salty residue
comes out through the nostrils. Tiny little mice are really good at empathy.
A mouse becomes sad and more susceptible to pain if it sees another mouse being hurt.
But this works only with mice that are friends with each other. We call these “nice mice”. The turritopsis dohrnii jellyfish can turn
back time for itself by reverting to an earlier stage of its life cycle. In essence, this
makes it virtually immortal. Butterflies, these beautiful insects, feed
through the proboscis but feel the taste of food thanks to their hind legs. The Adélie penguins are real romantics. They
have only one partner for life. The male must give a smooth stone to the female to create
a family. You could say that’s kind of an engagement ring. Like humans, though, a female
penguin may refuse and not accept the gift. Foxes are romantic too. Male foxes are good
fathers and husbands. They are devoted to their loved ones for life. They look after
the females and even pick out fleas from their fur. Male foxes improve their hole-houses
and take an active part in their babies’ upbringing. Gibbon apes also fall in love once and for
all. They live in big groups, like human families: parents, children, brothers/sisters, granny,
and grandpa. And every morning the big family sings. Gibbons are some of the best singers
among all mammals, able to change the volume and timbre of their voice. Gibbons are real
jungle opera singers. Dolphins can sleep with one eye closed and
the other one open. Half of the brain dreams and rests and the second half closely monitors
the environment for signs of danger. The perfect brain for sleeping during boring classes and
meetings. Besides, dolphins manually control their breathing.
They can simply drown if their whole brain is sleeping. Sea otters are the cutest sleepers among all
animals. In summer, because of the heat, sea otters spend all the time in water. They swim
on their backs and sleep in that position. The babies are sleeping on their mother’s
stomach. And two adults hold each other by the paws so that they’re not carried apart
by water currents. How cute! I guess we otter go see some otters,
huh? Hey, if you learned something new today, then
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