TY - RPRT TI - Effects of experimental removal of barred owls on population demography of northern spotted owls in Washington and Oregon—2015 progress report AU - J. David Wiens AU - Katie M. Dugger AU - Krista E. Lewicki AU - David C. Simon PY - 2016 DO - 10.3133/ofr20161041 UR - https://pubs.usgs.gov/publication/ofr20161041 ID - ofr20161041 ER -