Off the Coast of Arctic Norway (02:20)
Humpback whales and orcas feast on shoals of herrings. The Gulf Stream underwater current of warm water is 90 kilometers in width and thousands of kilometers long, shaping life in the Atlantic Ocean.
11 Months After Mating (02:02)
A female humpback whale returns to the shelter of surrounding reefs to have her baby, a calf born weighing at one ton. His mother rests as he explores the ocean nearby, but they must leave soon because there is little food for the mother.
Protective Mother (02:49)
Male humpback whales are competing for mates, fighting one another whilst trying to get to mother and posing danger for the newborn calf. The mother is stronger than her potential suitors and finally communicates her lack of desire; they are safe again.
Growing Stronger (04:09)
At six weeks old, the calf is alive and safe, but the mother is losing energy and running out of milk. They head for Norway's shores, using the Gulf Stream to carry them.
Responding to Changes in Breeze (02:51)
The Gulf Stream's strong winds have long been used by people, including Christopher Columbus. Today's sailors still use an ancient trading route, propelled by the Stream.
Gulf Stream Graveyard (02:53)
More than 600 ships have wrecked in a short span of the Gulf Stream off the coast of North Carolina, over the course of hundreds of years. Shipwrecked Spanish conquistadors may have survived some wrecks, inadvertently setting their horses free to roam. Today, these horses search for water, swimming between islands for grazing and digging holes for water, surrounded otherwise by salt.
Marine Food Chain (03:45)
Over a thousand miles from the Caribbean, humpback whales continue on their journey. A mother and calf group up with a male to protect themselves from potentially dangerous orcas nearby. Blue fin tuna, sea birds, and marine mammals like seals, group in the ocean near Canada as plankton bloom.
Leatherback Sea Turtles (03:42)
Off the island of Nova Scotia, people search for the gigantic lion's mane jellyfish and other creatures they work to preserve the wellbeing of. They capture a leatherback sea turtle and tag the turtles for future study. These turtles eat the lion's mane jellyfish, eating from dawn to dusk each summer day.
Breaking Fast (02:37)
The waters off New England and eastern Canada are chock full of fish, forming the perfect meal for hungry, migrating humpback whales. These whales are the only animals that trap their prey in bubble nets, a unique feeding technique.
Seabirds Feast (03:27)
The Gulf Stream leaves America, the warm current making the ocean ten degrees warmer than the surrounding waters, and accelerating the winds in the Atlantic. Seabirds pursue fish near the top of the ocean. Scottish fisherman Davey Mill uses technology to locate fish and keep an eye on the elements that could endanger his crew.
Sea State (03:50)
Mill and his crew haul in 15 tons of fish, mainly haddock and some cod. A storm off the coast of Canada originating in the Arctic sends aggressive energy into the seas, and Mill has to decide whether or not it is safe enough to continue fishing.
Returning to Shelter (02:44)
When Mill decides to turn back, the boat is placed side-on to the waves, a dangerous maneuver. The coast of Ireland is particularly hit by the wild storms.
Summer Waters (02:35)
Stormy seas create plankton blooms, which feeds marine life in the British Isles. Basking sharks, the second largest fish in the world, exist solely on the tiny plankton.
Humpbacks' Reward (03:05)
The warm current only adds a degree to winter temperatures in the British Isles, but in Norway, temperatures are raised five to ten degrees. Off the coast of Norway, over a billion herring congregate, creating a luxurious feast for predators like the humpback whales that have swam 8,000 kilometers.
Killer Whale Hunting (05:22)
Hundreds of orcas in pods of up to 30 whales use teamwork techniques to catch the herrings using clicks and whistles to communicate with one another. At six tons apiece, the orcas use their bodies to stun the herrings.
Credits: Life Stream (North)—Atlantic: Wildest Ocean On Earth (00:40)
Credits: Life Stream (North)—Atlantic: Wildest Ocean On Earth
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