Mysterious brain infection is making young California bears ‘fearless(02)

Mysterious brain infection is making young California bears ‘fearless(02)


Image gallery: Mysterious Illness Making California Bears Less Afraid Humans

Mysterious brain infection is making young California bears ‘fearless Bears with mysterious disease unfazed by humans, worrying officials Mysterious brain infection is making young California bears ‘fearless Fatal bear attack a first in California history Bears in California are being seen more in lower elevation areas CBS