As part of a zoology class, evolutionary biologist Leo Smith created a phylogenetic tree of fishes where each leaf is an actual fish specimen. Source: Leo Smith's tweet (29 April 2018). Related: Also see our other entries on physical visualizations built by re-arranging physical items.

There’s a fantastic plant phylogenetic tree display at the Geneva Botanical Garden with live examples growing at the tips of the evolutionary branches. This display was part of an exhibition open from 20 May 2021 to 17 October 2021. Sources: Quote and photo: tweet by Marko Kaksonen Conservatoire et Jardin botaniques de Genève (2021) Le grand bazar de l’évolution – Grande exposition sur l’évolution de la vie sur terre (archived version). Related: Also see our similar entry 2018 – […]