The death of an endangered mouse has pitted the city against a conservation group in a battle where costs and fines have ballooned into the millions. The nonprofit said in 2020 a preserve where the mouse lives should be open for just six hours a week while the city insists on every day from 7 am to sunset. The Pacific pocket mouse is endemic to coastal areas in southern California and was only rediscovered in 1993 after 20 years when it was believed extinct Read this story