
A wildlife overpass in Banff national park, in the Canadian Rockies. Photograph: Ross MacDonald/Banff National Park
Protecting wilderness–for broad reasons related to the value of biodiversity as well more narrow reasons related to mankind’s basic requirements–have been a constant theme on this platform since we started; animal bridges, per se, have not. Here is a look at why these bridges matter:
How creating wildlife crossings can help reindeer, bears – and even crabs
Sweden’s announcement this week that it is to build a series of animal bridges is the latest in global efforts to help wildlife navigate busy roads
Reindeer viaducts in Sweden will keep herds safe from traffic as they roam in search of grazing. Photograph: Pawel Garski./Alamy
Every April, Sweden’s main highway comes to a periodic standstill. Hundreds of reindeer overseen by indigenous Sami herders shuffle across the asphalt on the E4 as they begin their journey west to the mountains after a winter gorging on the lichen near the city of Umeå. As Sweden’s main arterial road has become busier, the crossings have become increasingly fractious, especially if authorities do not arrive in time to close the road. Sometimes drivers try to overtake the reindeer as they cross – spooking the animals and causing long traffic jams as their Sami owners battle to regain control. Continue reading





























