The Trump administration’s budget slashers have taken aim at programs designed to protect the northern spotted owl, an endangered species whose habitat extends from the upper Pacific coast down to Marin, the southern edge of its territory. Last year, the Biden administration approved a plan that sought to bolster spotted owl populations by killing as many as 450,000 barred owls in California, Oregon and Washington over three decades. Biologists at the Point Reyes National Seashore…