Orange County Register: Already hammered by increasing wildfire, Orange County’s plummeting population of coastal cactus wrens might face even harder times ahead: a new study shows global warming could evict the species from 30 percent more of its range by the end of the century. A famously threatened species, the California gnatcatcher, could lose as much as 56 percent of its range. The dire forecasts are part of a newly released study by Audubon California predicting dramatic shifts in the ranges of …