The big 5 mass extinctions on Earth
Species disappearing all over the planet, wave of volcanic eruptions, tsunamis... Here are the 5 previous extinctions that the Earth has experienced.
And even more
Birds are shrinking in size because of global warming
How did the great auk go extinct?
The Zanzibar red colobus, a strange and endangered primate
Why reindeer eyes change color over the course of the year
Lewis the koala dies weeks after being rescued from flames
Mexico: How Cabo Pulmo was turned into a unique ecosystem