Amazing Animal Bridges Around the World
Animals bridges, which may also be known as ecoducts or wildlife crossings, are structures that allow animals to safely cross human-made barriers like highways. A wildlife crossing is the broadest term and can include: underpass tunnels, viaducts, overpasses and bridges, amphibian tunnels, fish ladders, culvets and green roofs. [Source]
Wildlife crossings are a practice in habitat conservation, allowing connections or reconnections between habitats and combating habitat fragmentation.