Empty wells. Salmon die-offs. Water thieves. The uncontrollable flames of monster wildfire. In California, one of the worst droughts on record has touched off a kaleidoscopic range of emergencies, amplifying age-old resource conflicts as leaders call for conservation by cities, curtailments to farmers and coordination across the board. The interconnectedness of the state’s hydrology is especially apparent in one corner of the Sacramento Valley, where scarce water for farmers will also mean less for the migrating birds that make use of the same land.