Beneath the Yucatan peninsula of Mexico lies another world. A labyrinth of caves. Carved by freshwater. An essential for life on Earth. Freshwater shapes the land and the creatures who live in it in the most surprising ways. David Attenborough, Planet Earth s3e4: Freshwater
Forests at fight sight may seem quiet and tranquil. But today we can explore them in new ways and from a new perspective. And in fact they are full of unexpected connections, relationships and even secret messages. Only now are we discovering how strange and complex forests really are. David Attenborough, Planet Earth s3e5: Forests
They send messages through the forest plants they live on. ibid.
Wild Dogs can whistle … They take up their own hunting positions even though they can’t see each other. ibid.
… And you’ve reached the limit of where life exists. These often extreme places on our planet are often hard for us to reach. Indeed, this cave was only recently discovered. And it contains many surprises … Cave pearls and giant stalagmites … Underground rivers have carved this great passage through the limestone. Over five miles long and wide enough in places to accommodate a jumbo jet. And it is here in the cave’s furthest chamber that life can be found: translucent cave fish and shrimps. David Attenborough, Planet Earth s3e6: Extremes
Unpredictable extremes of weather however can upset this delicate balance. ibid.
Remarkably, around 50% of Earth’s inhabits depend on fire to keep healthy. ibid.
These people are hunting for one of the most endangered animals on the planet – a black rhino, an animal poached for its horn. But there aren’t going to harm her .. A rescue mission. David Attenborough, Planet Earth s3e8: Heroes
Most of the animals we’ve filmed over the last two decades are now rarer than they were. And the places where they live are in greater dangers of destruction. ibid.
A new generation of remarkable to stepping up to save wildlife … They are true heroes. ibid.