i think you can hear it. it s just amazing that these animals are filling the ocean with their sounds and their song. they are very simple sounds, but for me they are super beautiful. it s summer. whales are gathering along patagonia s pacific coast. home to the fjordlands, long, deep, flooded valleys that were carved out by glaciers over millions of years. these remote, rich waters are a magnet for wildlife and increasingly for people. at the ends of the earth is a land of extremes. home to spectacular wildlife. for centuries people and animals have battles for supremacy, but now enemies are becoming allies. together they face new challenges in our rapidly changing world. you are at the mercy of the elements. this is the story of what it takes to survive on the edge of the world. it s the start of another all too brief summer. patagonia s 600 glaciers are rapidly melting. fresh water cascades off the mountains. as it pours into the fjords, it mixes with saltw
fjords is an incredibly rich feeding ground, the gorguvalo gulf, and headed straight for it is the largest animal that has ever lived. a blue whale weighing nearly 200 tons, he s twice as heavy as the largest dinosaur. it s been a long swim from warm equatorial waters more than 3,000 miles away, but it s all worth it for the krill. during the summer, billions of these tiny crustaceans swarm the