In the fourth part of this series on the Swiss wilderness, we find ourselves at Lake Maggiore in southern Ticino. Here, there are enormous catfish and bright green tree frogs.

The Swiss wilderness boasts a variety of climate zones, flora, and fauna. There are raccoons, and at Lake Lugano, there are even some hoopoes.

What species can you encounter in the Swiss mountains in spring? How does the landscape change at different altitudes? Watch this clip to gain some wonderful insights into a unique natural paradise.

In addition to wolves, badgers, and eagles, there are now lynxes roaming Switzerland once again!

In old-growth forests, trees can grow, live, age, and die naturally, and thereby contribute to the ecosystem rather than being harvested in the prime of their lives. That's why the WWF has nature reserves in Germany where the old-growth forests of tomorrow can develop.

Part three of this mini-series features breathtaking winter scenes of the Alps and wildlife that includes foxes, chamois, marmots, and wolves.

Enjoy a magical journey through Switzerland's rugged wilderness. This is nature at its finest! In this clip you will learn some interesting facts about the glaciers, the wildlife, and the climate.

This satirical clip exposes the EU's bias towards large agricultural corporations at the expense of small-scale farmers.

Switzerland is more than just a haven for nature and wildlife; it's also Europe's water reservoir. This visually captivating documentary showcases the aquatic ecosystems and diverse fauna of Valais.

The allure of the Feldberg Lakes with their clear, fresh water was described many years ago by the writer Hans Fallada. In the last part of this series, you can see how professional conservationists and volunteers are helping to preserve these impressive waters.

The condition of the aquatic habitat is checked at regular intervals by conservationists and some interesting discoveries have already been made. Meanwhile, the ospreys are gradually training their young to become independent.

The meadows around the Feldberg Lakes are home to an enormous variety of floral and fauna. While deer, foxes, and hares live on land, predatory and non-predatory fish can be found underwater, where the natural balance is being threatened by anglers.

A few very special insect species can be found around the Feldberg Lakes. Otters and other water creatures also live here, and the full moon seems to have a special effect on them.

This part is about the offspring of the various inhabitants of the Feldberg lakes. How do the parents behave after the mating season? How dangerous is life for the various species, and how do they protect themselves?

In this segment, we get to know other creatures living in the Feldberg lakes and learn who the "grandmother" is.