Espèces d'espèces

Also known as Die wunderbare Artenvielfalt

Species of species renews our representation of the tree of life and reveals to us that the millions of species that inhabit the planet, ours included, all belong to a single and immense family. How to classify living species? What criterion should be used to sort them? The number of legs? The presence of wings, feathers, hair, scales? Not so simple...