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The Fascinating World Of Whales | BBC Earth
The Fascinating World Of Whales | BBC Earth
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Subtitles (248)
0:03
Bryde's whales have lived here for
0:06
generations.
0:10
But the world around them is changing.
0:22
Today,
0:24
agricultural pollution flowing from the
0:26
land
0:28
is beginning to suffocate this sea.
0:33
>> [music]
0:41
>> Many fish now stay closer to the surface
0:45
where the water still contain enough
0:46
oxygen to survive.
0:53
Bryde's whales depend on these fish.
0:58
They swallow huge quantities of water
1:01
before filtering out their prey.
1:08
It takes a lot of energy to drive their
1:10
15-ton bulk through the water.
1:17
And with so few fish, the rewards from
1:20
feeding like this are barely worth it.
1:25
So, to survive here, the whales have
1:28
developed a new hunting technique.
1:35
One that requires almost no effort.
1:41
They simply open their mouths
1:44
and wait.
1:51
The panicked fish jump right in.
2:01
>> Swimming alongside another whale scares
2:04
even more into the open jaws.
2:08
>> [music]
2:13
[music]
2:18
>> With this ingenious new technique,
2:21
Eden's whales have found a way to
2:23
survive the pressures they now face.
2:29
All across the planet, animals are
2:31
having to adapt to a changing world.
2:36
But the speed of these changes will be
2:39
too fast for many.
2:45
If we could only halt our unrestrained
2:49
plunder of the ocean,
2:51
its habitats and species would recover.
2:56
And at a time when our over-exploited
2:59
lands are already failing us,
3:01
this has never been more important
3:05
for humanity.
3:08
>> The whales can sense the presence of the
3:10
herring,
3:11
dive in pursuit.
3:13
Holding my breath, I dive to film the
3:15
action.
3:17
They're not easy to find in the
3:19
darkness.
3:33
Tiny bubbles rise from the deep like a
3:35
gas.
3:39
Then,
3:40
I see a cloud of them,
3:42
and of course like
3:43
a massive shoal of fish emerge from the
3:46
deep.
3:48
Thousands [singing and music] and
3:49
thousands of herring.
3:54
Killer whales have found them and driven
3:56
them up from the deep.
3:58
With their sudden change of pressure,
4:00
gas has burst from their swim bladders,
4:03
which control their buoyancy.
4:09
The whales work together to squeeze the
4:12
fish into an even tighter ball.
4:18
Gulls have spotted the signs.
4:25
>> [music]
4:42
>> The killer whales push the herring up,
4:45
but the humpbacks will be there to
4:46
profit from this.
4:49
>> [music]
4:50
>> The whales flick their tails into the
4:52
herring shoal to stun the fish.
4:59
>> [music]
5:00
>> The animals briefly surface only to
5:02
catch breath.
5:05
Birds have learned to be in the right
5:07
place.
5:16
But then, the humpbacks, with their
5:17
enormous mouths and cooperation, take
5:20
the lion's share.
5:41
>> [music]
5:46
[music]
6:02
[music]
6:08
[music]
6:09
>> And after less than 30 minutes,
6:12
it's all over and the animals leave
6:15
to search for more herring chunks.
6:22
>> Take your sitting and you are ready to
6:24
kick.
6:25
And the
6:26
sperm whale is coming close the camera
6:28
and we turn and look at me.
6:31
And it was a a magic moment for me.
6:40
I'm shooting the sperm whales since
6:41
2011.
6:43
And every year I'm coming back to
6:46
shooting the same family.
6:49
My first sperm whale it was a female.
6:51
It's a big female. It's 11 m.
6:54
I remember when I see for the first time
6:57
I just
6:58
only one into the blue water
7:01
and uh my things were
7:03
more 1,000 m
7:06
and
7:07
when I see the sperm whale is coming and
7:10
it's look like a submarine.
7:20
When no was not an aggressive attitude
7:23
because I'm shooting
7:25
very slowly and I'm waiting they accept
7:28
me. I don't go to
7:30
to
7:31
to push my camera close the sperm whale.
7:33
I waiting the sperm whale to accept me.
7:43
>> [music]
7:45
>> When you can see you, sometimes you come
7:47
with play playing with closer camera
7:50
like an actor.
7:51
And this is it
7:53
a magic moment. It's amazing.
7:55
We don't need to to say
7:58
what's what he want to say or what he
8:00
want to say to him. It was a a mutual
8:02
communication and it's amazing amazing.
8:10
Some sperm whale like Ivan Tortue,
8:13
Elliot recognize me because they
8:15
recognize my camera, they recognize my
8:17
regulator. And every years I take the
8:20
same equipment and every years every
8:22
years they recognize me. We have a
8:25
identity card of Elliot and I think
8:27
Elliot have an identity card of about me
8:29
in this way.
8:37
I would like to follow the story of the
8:39
family. Every years we see we saw the
8:42
the babies now is a young adult and
8:45
Elliot's now Elliot he have
8:48
12 years old.
8:49
And
8:50
all scientific say when the the adult
8:53
male has about eight or 10 years old we
8:57
need to leave the group. But except
8:59
Elliot he stay.
9:02
He protects the the new baby.
9:05
I don't understand why but he stay on
9:08
where is Maurice lives and I would like
9:09
to know when is he's leaving or not
9:11
leaving.
9:13
For me the best memory is the sperm
9:15
whale because
9:17
it look like you're not a beautiful
9:18
animal like humpback whale or the common
9:21
dolphin. But when you see the sperm
9:24
whale and the when the sperm whale is
9:26
looking at you with his eyes is very
9:28
incredible and
9:30
is amazing.
9:34
Today is very very good eating.
9:49
>> A pod of 12 bull sperm whales has become
9:53
fatally stranded.
9:57
Was this stranding caused by one whale
9:59
making a navigational error?
10:01
No one knows.
10:03
But with social bonds so strong, the
10:05
other whales can't help but follow.
10:31
One whale is still alive.
10:34
But without sufficient water to support
10:36
his incredible bulk, his internal organs
10:38
will be crushed.
10:40
Left like this, he will die [music]
10:43
within days.
10:50
Thankfully, our attitude to sperm whales
10:52
has changed from exploitation to
10:54
conservation.
10:57
So, a rescue team tries to dislodge him
10:59
with waves from the bow of their boat.
11:08
>> [music]
11:18
>> But he's held fast.
11:22
>> [music]
11:24
>> His sunburnt skin quickly blisters.
11:31
>> [music]
11:41
>> The only option left is to use nets.
12:03
At last, he's free. [music]
12:12
Badly weakened, he's chaperoned towards
12:14
the harbor entrance.
12:18
But, he's not out of trouble yet.
12:21
First, he must negotiate the rocky heads
12:23
of the bay.
12:48
His sensitive skin, never designed to
12:50
touch rock, is badly lacerated.
13:06
He's through
13:08
and back into the safety [music]
13:10
of the endless blue.
13:25
>> [music]
13:25
>> It's my chance to document these
13:27
animals.
13:28
It would be my first time in years of
13:30
trying to film a fin whale underwater.
13:41
Being in the water with whales this size
13:44
is something I've learned to do safely
13:46
over many years now.
13:49
But it's still scary.
13:55
I think about my ancestors and wonder
13:57
what they would have made of this.
14:04
The fin whale swallows an enormous
14:06
mouthful of sprat and dives
14:09
coming within a few short meters of me.
14:12
An awesome animal.
14:18
Water visibility is just a few meters.
14:24
>> [music]
14:41
>> What an incredible moment.
14:43
To my knowledge, it's the first time
14:45
anyone has filmed a fin whale underwater
14:47
in Ireland.
14:53
>> [music]
15:07
[music]
15:08
>> And then
15:09
a humpback whale.
15:15
But this is no ordinary humpback whale.
15:18
I can recognize from the tail and dorsal
15:20
fins that this is Boomerang.
15:24
A whale that has been coming to our
15:26
south coast for 20 years now.
15:29
And for some reason, always associates
15:31
with fin whales.
15:34
He blows a single line of bubbles,
15:36
perhaps to herd the sprats,
15:39
and lunges from below the water.
15:46
>> [music]
15:58
[music]
16:04
>> Humpback whales usually blow circles of
16:06
bubbles to entrap fish,
16:08
but this animal is just blowing a line.
16:11
Perhaps he's competing with the fin
16:13
whales.
16:21
>> [music]
16:25
>> Again and again they rise, one giant
16:27
mouth after another.
16:41
Four fin whales
16:43
feeding.
16:44
Oh my god.
16:46
They're
16:47
20 m
16:49
and up to 80 tons weight.
16:52
That's two fully loaded articulated
16:54
trucks,
16:55
16 elephants.
