Overview of the 'Sagebrush Sea,' a vast grassland ecosystem spanning much of the western United States and prairie regions of Canada, home to numerous native bird species. Conservationists and ranchers among other stakeholders are cooperating to sustain and in some areas restore critical breeding habitat for grassland birds. And, a report of native Arizona birds Bell's Vireo and Western Flycatcher discovered for the first time in the province of New Brunswick in eastern Canada. Bird of the episode: Harris' Hawk. Birding hotspot: Glendale Recharge Ponds in Maricopa County. Friend-of-wildlife organization: Friends of Arizona Joshua Tree Forest. Calendar of bird-friendly events coming up in days ahead in Arizona.