To prevent extinctions and protect habitats, the US has started building wildlife corridors around major roads and cities. A moose spotting is the latest sign that these efforts seem to be paying off

Moose are known to live across the northern US, but until recently, none had been spotted in south-western Washington state
Design Pics Inc / Alamy Stock Photo
In the dim half-light of winter, a wildlife trail camera in Mount Rainier National Park in Washington state captured a surprising sight. Squinting, a curious viewer could just about discern the creature trudging through the snow: “Is that a MOOSE?” the park’s social media account asked incredulously.
The sighting on 8 December was the first moose documented in south-western Washington. It came just a few months after a state Department …