Western Pennsylvania experiencing same bird declines being seen nationwide Mary Ann Thomas Sunday, Sept. 22, 2019 4:26 p.m. | Sunday, Sept. 22, 2019 4:26 p.m. Go Ad-Free Today! Pixabay The white-breasted nuthatch, once common in the Alle-Kiski Valley, is experiencing declining populations. Shane Dunlap | Tribune-Review A bird flies the skies above Greensburg on Saturday, Sept. 21, 2019 in Westmoreland County. Shane Dunlap | Tribune-Review A vacant birdhouse is seen on Saturday at Bushy Run Battlefield in Penn Township,, Sept. 21, 2019 in Westmoreland County. Share this post: Facebook Twitter LinkedIn Reddit Email