TY - RPRT TI - Trends in landbird density at two national parks in fragmented, mixed-use landscapes of the Pacific Northwest AU - Chris Ray AU - Mandy Holmgren AU - Robert L. Wilkerson AU - Rodney B. Siegel AU - John R. Boetsch AU - Kurt J. Jenkins AU - Jason I. Ransom PY - 2019 DO - 10.1898/nwn18-11 UR - https://pubs.usgs.gov/publication/70202470 ID - 70202470 ER -