What is the tree of life?
The tree of life shows how all life on earth is related. Each leaf represents a different species. The branches show how these many species evolved from common ancestors over billions of years. In our interactive tree of life you can explore the relationships between 2,235,362 species and wonder at 105,279 images on a single zoomable page.
- 2,235,362 species
- 105,279 images
Popular places to start exploring...
Biodiversity and Conservation...
We want to help everyone appreciate biodiversity and the need to conserve it.
Red leaves on our tree of life show species known to be under threat of extinction.
Become a sponsor...
OneZoom is a registered non-profit in the UK, all our products are for free. 417 people like you have helped us by making donations. Their names appear as sponsors on 711 leaves of our tree of life.
Only one name per leaf so get your favourite while you can, for yourself or as a gift.
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Sponsored forGeoffrey O'Sullivan — Happy fathers day dad xx -
Sponsored forE. M. Karafin -
Sponsored forErik Danielsson -
Sponsored byTree — Leeds -
Sponsored forMelanie Platt — Leek, United Kingdom -
Sponsored byEmily Platt — Stafford, United KIngdom -
Sponsored byDr Craig Platt — Leek, United Kingdom -
Sponsored byMiss Nayla Harrati -
Sponsored byRobert Kargl — hope you will survive -
Sponsored forLavinia Burga — Austria -
Sponsored byMayssa Harrati -
Sponsored byFish Evo Devo Geno Lab — Michigan State University -
Sponsored forCynthia Geiger — Happy Mothers Day -
Sponsored bySylvie Soudan — Native Tree Study 2017-18 -
Sponsored forYan Wong — Happy Birthday -
Sponsored byLouisse Paola Mirabueno -
Sponsored byCristian Zorrilla — Bogota, Colombia -
Sponsored byMONTORO PRIETO FAMILY — EN HONOR A RON -
Sponsored byRoger Cases — to waking up -
Sponsored forAlba Núñez
What we've been up to...
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26 April 2020
Version 3.4 of OneZoom is launched with a new landing page and enhanced content across the whole site. We now have more prominent features for learning about biodiversity, taking conservation action, using screenshots and deploying an exhibit at public venues.
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28 September 2019
A new OneZoom museum exhibit is launched as part of Darwin and Dinosaurs at the Museum of Idaho. This coincides with the launch of OneZoom version 3.3.1 which features many enhancements to the musuem display code. Image used with kind permission from Darwin and Dinosaurs -
16 April 2019
OneZoom is featured in an interview for the Complexity Explorer of the Santa Fe Institute. The Complexity Explorer hosts a range of massive open online courses about science, including a new course on the origins of life.
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21 March 2019
We're delighted to work as a partner to the One Tree, One Planet project providing their tree of life visualisations. We now release a One Tree, One Planet view as part of a new version of OneZoom. Version 3.3 includes all the features of version 3.2 and adds a new Polytomy view as well as performance enhancements, changes to the way images are processed to enable compatability with the latest version of the Encyclopedia of Life, and specific developments to support the One Tree, One Planet tree view.
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28 February 2019
Pavel Linhart has released a version of OneZoom incorporating the sounds of 41 Tetrapods. It is built from OneZoom V1.2 kiosk available from our developer page.
