The Painted Lady Butterfly • 2019 • episode "4/4" Secret Migrations

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Every year, the painted lady butterflies undertake a mysterious migration. This discreet journey covers thousands of kilometers and triggers puzzles that scientists are still trying to understand today. Thanks to cutting-edge technology, we will track the butterflies on their journey.

Secret Migrations • 2019 • 4 episodes •

Eleonora's Falcon

Every year, just above our heads, Eleonora’s falcon undertakes a mysterious migration. This discreet journey covers thousands of kilometers and triggers puzzles that scientists are still trying to understand today. Thanks to cutting-edge technology, we will track the falcons on their journey.

2019 • Nature

Nathusius' Pipistrelle Bat

Every year, the pipistrelle bat undertakes a mysterious migration. This discreet journey covers thousands of kilometers and triggers puzzles that scientists are still trying to understand today. Thanks to cutting-edge technology, we will track the bats on their journey.

2019 • Nature

The Blackcap Warbler

Every year the black cap warbler undertakes a mysterious migration. This discreet journey covers thousands of kilometers and triggers puzzles that scientists are still trying to understand today. Thanks to cutting-edge technology, we will track the black caps on their journey.

2019 • Nature

The Painted Lady Butterfly

Every year, the painted lady butterflies undertake a mysterious migration. This discreet journey covers thousands of kilometers and triggers puzzles that scientists are still trying to understand today. Thanks to cutting-edge technology, we will track the butterflies on their journey.

2019 • Nature

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Episode 1

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Commuters

More than a billion people around the world commute into cities each day, and they are not alone. The world's wildlife is commuting too. A steady flow of animals journey in and out of cities to find food and shelter or to start a family. Leaving the wilderness they must overcome the unique challenges that the urban world throws at them to benefit from the opportunities on offer. This episode explores whether the secret to an animal's success in this fast-changing world is to keep one foot in the wild and one in the city, becoming a wild commuter. It seems that all over the world animals are finding that the city can offer opportunities that are harder to come by in the natural world. Some, like African penguins, whose population has plummeted by 80 per cent in the last 50 years, find shelter in the city. By nesting in Cape Town they are safer from predators, and with relatively easy access to their fishing grounds they have the best of both worlds. Many other animals commute into cities because they are filled with food. In St Lucia, South Africa, that includes hippos. Able to eat up to fifty kilograms of grass in a single sitting, they have developed a taste for the short, manicured lawns and come to town every night to dine out. St Lucia's human residents have learnt to give the hippos the space they need during their night-time raids. Black bears need to eat more than 20,000 calories a day to survive their six-month hibernation through winter, and using their acute sense of smell they can easily track down leftovers. In North America they come into towns and cities in search of food. Many animals displaced from their natural habitat are now using their wild skill set in the city to help fulfill their needs. Could this be the beginning of a new and very modern migration?

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Introduction

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