For years, scientists couldn't solve the mystery of strange pits on the floor of the North Sea. Initially they blamed methane seeps, but it seems like the pits were actually made on porpoise.

Today, bones hold us up. But for ancient jawless fishes, bones may have been a way to store energy for long journeys. Plus, new research indicated that hippos and cetaceans may have evolved their aquatic traits separately.

When the ancestor of cetaceans went back into the water some 50 million years ago, it left a few things behind—including the functioning of certain genes that seem like they’d be hard to live without.

You might think venomous snakes or fierce lions are the best hunters, but turns out they are not even close to these 6 actual best hunters in the animal kingdom.

This video highlights the issue of bycatch in fishing practices and explores innovative solutions to protect marine mammals such as turtles, dolphins, and whales. It showcases the use of LED weights and sound-reflecting gill nets to...

This video provides an overview of whales, the largest marine mammals in the world. It explores their size, feeding habits, communication methods, mating behaviors, and the importance of whales in the marine ecosystem. The video also...

Biologists studying killer whales face the challenge of studying organisms that spend a majority of their time underwater. From extensive research, scientists have learned that killer whales have adapted their sounds to help them catch...

In Florida there's a most attractive aquarium, where the weird and the wonderful life beneath the ocean can be observed in safety and comfort. Porpoises, who are evidently most intelligent, respond to the dinner bell promptly....

Down in Florida, they've got a bathing beauty with a difference - a porpoise that's been trained to perform tricks. Disclaimer: British Movietone is an historical collection. Any views and expressions within either the video or...

AP Television

Strangford Lough, Northern Ireland, July 23rd,
2009
1. Mid shot
of SeaGen
2. Mid moving
shot of SeaGen
3. Mid shot of peop
le working...

June 27, 2007

1. Various wide of Commission for Environmental Cooperation (CEC) mee
ting
2. SOUNDBITE: (Spanish) Juan Elvira Quesada, Mexico's Secretary of Environment and Natural...

1. Wide of Marriott Hotel site of Whaling Commission meeting

2. SOUNDBITE: (English) Jouji Morishita, Japanese Whaling Commis
sion:
"From our point of view the key word for this meeting is...

1. Marchers, some dressed in dolphin outfits, protesting with anti-Japan signs UPSOUND: "Save the dolphins, stop the slaughter!"

2. Tracking-shot of people in dolphin suits crouching on ground, re-enacting being...

1. Wide of Estrel Convention Centre in Berlin where commission meeting is being held

2. Tight shot of International Whaling Commission (IWC) flag flying in front of Convention...

1. Pan of International Whaling Commission sign

2. Various of audit
orium
3. Cutaway to speaker Odd Gunnar Skagestad, Norwegia
n Delegate
4. Setup shot of Odd Gunnar Skagestad, Nor
wegian...