In nature, finding the perfect home sometimes means letting someone else do the heavy lifting! Across the world, animals move into abandoned burrows, tree cavities, nests, and even reefs created by completely different species.
The builders themselves aren’t trying to become landlords; they’re simply surviving. But their work can leave behind some incredibly valuable real estate, revealing just how intertwined one species can be with the wider community around it.
Click through to meet the surprising species that become accidental architects, creating homes for some very unexpected neighbors.