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

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?

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.

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.

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 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.

We don't know exactly how and when life began on Earth, but the answer probably lies in the depths of the ocean: It is here that the first unicellular organisms evolved.

How do coral reefs form, and what role do they play for underwater creatures such as fish? In this video, you can see some fascinating life forms and how they interact with one another.

Brilliantly colorful parrot fish and two-bar sea bream are among the fish featured in this segment. Sea cucumbers, the vacuum cleaners of all the Earth's oceans, also make an appearance.

Different types of fish have very different tactics when it comes to survival in the coral reef, including camouflage, safety in numbers, and hiding in plain sight.

In this segment, we get to see some of the oldest inhabitants of the ocean and learn about how they have adapted to life under water.

In this video, we learn all about humpback whales. They might not be the largest whales, but they are extremely agile and graceful — and very musical as well!

We continue following the humpback whales, learning about their migration patterns and how they raise their young. We also meet Californian sea lions, which, despite their heft, are very agile and adept — and also very peaceful.

Californian sea lions are quite adept on land, but spend most of their time in the water. They are considered to be elegant and intelligent animals with outstanding swimming abilities.

From the oceans to the cliffs, from the steppe to the semi-desert, we continue our journey through our planet’s many biomes. Here, we meet spectacular white storks, and herds of wildebeests and zebras, whose distinctive stripes serve as camouflage against tsetse flies and horseflies.