TY  - RPRT
TI  - Effects of barred owl (Strix varia) removal on population demography of northern spotted owls (Strix occidentalis caurina) in Washington and Oregon—2019 annual report
AU  - J. David Wiens
AU  - Katie M. Dugger
AU  - Damon B. Lesmeister
AU  - Krista E. Dilione
AU  - David C. Simon
PY  - 2020
DO  - 10.3133/ofr20201089
UR  - https://pubs.usgs.gov/publication/ofr20201089
ID  - ofr20201089
ER  -