From powerful sharks to mysterious fish shoals, the underwater dynamic between predator and prey is a never-ending one. Join these amazing creatures as they employ both offensive and defensive evolutionary adaptations, such as sharp senses and swarm intelligence, in their bid for survival.
Sharks are among the most misunderstood predators on the planet, but an international team of scientists is trying to change that. Their research is revealing that sharks can be sociable and intelligent, and they could even help solve some of the toughest medical challenges of the 21st century. However, their breakthroughs come just as many sharks face extinction. Science may now be the only way to save them.
Cats are said to hate water, crave warmth and only eat meat. But in episode three, Super Cats, viewers are introduced to the wild cats that break all the feline rules. From jaguars with sub-aqua skills to tigers that can survive temperatures of minus forty, the programme reveals how cats have developed super powers to survive in the most unlikely landscapes. As well as the iconic big cats, in this final episode viewers get a glimpse into the lives of the most rare and strange cats of all – including a real-life Garfield recently discovered living high in the Himalayas. It’s revealed how the cats’ ability to adapt to extremes has made them some of the most successful predators on the planet.
Young animals prepare for their first winter away from their parents, humpback whales return to Alaska's rich feeding grounds and salmon return to spawn in the rivers where they were hatched. But the returning salmon have to negotiate a path past hungry brown bears fattening themselves before they hibernate.