Methyl mercury bio accumulates up the marine food chain to create high concentrations in predatory species of fish such as shark, swordfish and tuna, as well as marine mammals such as whales, dolphins and porpoises.

The dolphins eat the fish that have PCBs from the plankton, and those PCBs, being fat soluble, accumulate in these dolphins.

I study fish, also the bigger things, whales and dolphins.

Even though they were labeled whale meat, they were dolphin meat.

You see a dolphin here, and there's a dolphin, and there's a dolphin.

In normal life for mother and calf dolphin, they'll often drift apart or swim apart if Mom is chasing a fish, and when they separate they have to get back together again.

Now, a dolphin, mother dolphin, any dolphin there's only one way that a PCB can get out of a dolphin.

Some of them were dolphin liver. Some of them were dolphin blubber.

And he moved away because it was his last fishing trip, and he knew that the dolphins scare fish.

184. IATTC also indicated that in February 1998 the countries involved in tuna fishery had concluded a binding Agreement for the International Dolphin Programme that included stricter provisions for dolphin protection.

A 3D animation of a number of sharks, dolphins, and whales. Written by Mark Kilgard 1998.

He said that in 30 years of fishing he had never seen a dolphin do that.

The death rate in these dolphins, for the first calf born of every female dolphin, is 60 to 80 percent.

A dolphin is a mammal.

The high seas, where whales, tuna and dolphins travel the largest, least protected, ecosystem on Earth, filled with luminous creatures, living in dark waters that average two miles deep.

When a male dolphin leaves Mom, it will often join up with another male and form an alliance, which may last for decades.

So he moved away from it, turned around a few minutes later, it was right next to the side of the boat again.

Some dolphins come playing near the boat.

So, it's not just dogs and cats and whales and dolphins that you should be aware of and interested in on this little journey.

Those females, they're not trying to.

A dolphin is a kind of mammal.

By contrast, the signature whistle which dolphins use to stay in touch, each individual here has a radically different call.

This is a picture of a trainer's whistle, a whistle a trainer will blow to tell a dolphin it's done the right thing and can come get a fish.

The dolphin is a very intelligent animal.

It oscillates its tail up and down like a dolphin.

That's a dolphin tail there, guys.

Dolphins and toothed whales use echolocation.

Dolphins, pretty big brains, play a lot.

And I hope Jill Tarter's wish to engage Earthlings includes dolphins and whales and other sea creatures in this quest to find intelligent life elsewhere in the universe.

For example, in oceanography, a lexicon of dolphin language is actually being created by basically visualizing the sonar beams that the dolphins emit.

Juveniles a huge load.

The Dolphin.

I remember sitting at my desk being about the only person in the world who knew that whale meat being sold in these markets was really dolphin meat, and it was toxic.

Dolphins, pretty big brains, play a lot.

And we would use conventional methods I have a crossbow, you see the crossbow in my hand there, which we use to sample whales and dolphins for genetic studies as well.

I've been working on whales and dolphins in Ireland for 20 years now, and they're kind of a bit more dramatic.

Baby dolphin and baby llamas. Everybody look.

Of the ones that stayed, their reproductive rate declined.

Here's a dolphin where the fin's been re attached.

In 2004, the police department re commissioned the police launch Dolphin.

Animals like the Ganges river dolphin which is just down to a few left, and it is also critically endangered.

But he told Ted that on the last day he went out, a bottlenose dolphin suddenly appeared next to the boat, and it was splattering oil out its blowhole.

Summary of recommended awards for the claims of Saudi Arabia Claims of the Syrian Arab Republic Overview In the fifth F4 instalment, the Panel reviewed three claims submitted by Syria for damage resulting from Iraq's invasion and occupation of Kuwait.

And at this age, my personal idol was Flipper the dolphin.

And lots of generations, lots of tweaking and torquing, and we turn our puffer into the Mola.