Video library

The YouTube channel “L’info des cétacés” offers educational videos of 5 to 9 minutes exploring the world of whales, dolphins, sperm whales, killer whales and other cetaceans. This video library brings together every episode released to date. Click a thumbnail to open its own page, video + detailed summary.

42videos available
~4h 47of content in all
9topics
~6.8 minaverage length

Support the channel: every subscription, like and share on YouTube helps to produce more episodes. Find all the content and subscribe on the L’info des cétacés channel.

Anatomy & physiology

How the cetacean body works: senses, breathing, diving, distinctive features.

What is echolocation in cetaceans? 8:21 ▶

What is echolocation in cetaceans?
Does the narwhal have a horn or a tooth? 6:47 ▶

Does the narwhal have a horn or a tooth?
Do cetaceans have milk teeth? 5:33 ▶

Do cetaceans have milk teeth?
Albinism, leucism and piebaldism in cetaceans, how does it work? 6:13 ▶

Albinism, leucism and piebaldism in cetaceans, how does it work?
What is bradycardia in cetaceans? 6:46 ▶

What is bradycardia in cetaceans?
Why do cetaceans have a thick layer of blubber? 6:19 ▶

Why do cetaceans have a thick layer of blubber?
What does the rete mirabile do in cetaceans? 6:30 ▶

What does the rete mirabile do in cetaceans?
What is ambergris? 7:20 ▶

What is ambergris?
What does the sperm whale's spermaceti organ do? 6:57 ▶

What does the sperm whale’s spermaceti organ do?
Can cetaceans go deaf? 6:50 ▶

Can cetaceans go deaf?

Acoustic communication

Songs, clicks and whistles: how cetaceans talk to one another across the oceans.

Can cetacean sounds be heard hundreds of kilometres away? 9:15 ▶

Can cetacean sounds be heard hundreds of kilometres away?

Behaviour & cognition

Sleep, cooperative hunting, tool use, interactions: the social and cognitive life of cetaceans.

How do cetaceans (dolphins, whales) sleep? 6:48 ▶

How do cetaceans (dolphins, whales) sleep?
What is a solitary sociable dolphin? 6:49 ▶

What is a solitary sociable dolphin?
Do cetaceans interact with sharks? 6:42 ▶

Do cetaceans interact with sharks?
Why do killer whales attack boats? 6:27 ▶

Why do killer whales attack boats?
What is "spyhopping" in cetaceans, and what is it for? 5:01 ▶

What is “spyhopping” in cetaceans, and what is it for?
How do killer whales trap seals on the ice? 5:48 ▶

How do killer whales trap seals on the ice?
Do some cetacean species hunt cooperatively? 6:27 ▶

Do some cetacean species hunt cooperatively?
Do dolphins use tools to feed? 6:09 ▶

Do dolphins use tools to feed?

Species profiles

Portraits of cetaceans, iconic and little known.

What is a Portuguese man o' war? 6:56 ▶

What is a Portuguese man o’ war?
What is a northern bottlenose whale? 8:23 ▶

What is a northern bottlenose whale?
What is a wholphin, and does it really exist? 7:29 ▶

What is a wholphin, and does it really exist?
What is a Cuvier's beaked whale? 7:15 ▶

What is a Cuvier’s beaked whale?
What is a pygmy sperm whale? 7:13 ▶

What is a pygmy sperm whale?
What is a fin whale? 8:03 ▶

What is a fin whale?
What is a humpback whale? 6:35 ▶

What is a humpback whale?
What is a blue whale? 6:51 ▶

What is a blue whale?
What is a beluga? 6:53 ▶

What is a beluga?

Breeding & longevity

Being born, growing up, growing old: the cetacean life cycle.

What is the longevity record for a cetacean? 6:17 ▶

What is the longevity record for a cetacean?
Can a blue whale have twins? 5:52 ▶

Can a blue whale have twins?

Feeding & performance

Diet, speed, hunting depth.

What do sperm whales eat, and how do we know? 7:20 ▶

What do sperm whales eat, and how do we know?
What is the top speed reached by a dolphin? 6:04 ▶

What is the top speed reached by a dolphin?

Evolution

Where do cetaceans come from?

Why did cetaceans evolve towards life at sea? 6:25 ▶

Why did cetaceans evolve towards life at sea?

Conservation & threats

Pollution, disturbance, rescues: protecting cetaceans.

Have cetaceans (dolphins, whales) been used by the military? And today? 9:02 ▶

Have cetaceans (dolphins, whales) been used by the military? And today?
What would happen if cetaceans disappeared? 6:21 ▶

What would happen if cetaceans disappeared?
Have there been successful mass rescues of cetaceans? 5:49 ▶

Have there been successful mass rescues of cetaceans?
What is the impact of submarine cables on cetaceans? 6:53 ▶

What is the impact of submarine cables on cetaceans?
Can cetaceans transmit diseases to humans? 7:33 ▶

Can cetaceans transmit diseases to humans?
How does ocean warming affect cetaceans? 6:51 ▶

How does ocean warming affect cetaceans?
Which major NGOs are involved in protecting cetaceans? 8:11 ▶

Which major NGOs are involved in protecting cetaceans?

Cetacean geography

Where do they live in Europe? Which are the great places to watch them?

Which cetaceans live in the Mediterranean all year round? 5:23 ▶

Which cetaceans live in the Mediterranean all year round?
Are there cetaceans in the Black Sea? 6:55 ▶

Are there cetaceans in the Black Sea?

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Further reading

FAQ, 55 questions about cetaceans Sound library, listen to cetaceans Cetacean glossary Identify a cetacean Our quizzes Watching in the Mediterranean