Welcome to the OneZoom tree of life explorer
An interactive map of the evolutionary relationships between 2,123,179 species of life on our planet. Each leaf on the tree represents a species and the branches show how they are connected through evolution. Discover your favourites, see which species are under threat, and wonder at 105,230 images on a single page.
Explore
The Mammals
Sponsor a leaf for yourself or as a gift
We're a not for profit organisation, your donations help us provide easy access to scientific knowledge on biodiversity and evolution. Your support will be acknowledged on the leaf of the tree that you sponsor. For museums and other public venues, you can become a partner and install OneZoom as an educational exhibit.
