Deaths of female grizzly, 3 cubs a reminder of population fragility, says wildlife scientist

Wildlife scientist Clayton Lamb puts a collar on bear EVGF97 in Elk Valley B.C. in 2019. The bear was killed by a train along with three of her cubs. (Courtesy Clayton Lamb) Wildlife scientist Clayton Lamb puts a collar on bear EVGF97 in Elk Valley B.C. in 2019. The bear was killed by a train along with three of her cubs. (Courtesy Clayton Lamb)