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1.

Effects of barred owl (Strix varia) removal on population demography of northern spotted owls (Strix occidentalis caurina) in Washington and Oregon, 2015-18

Published

Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2019-

Online

https://purl.fdlp.gov/GPO/gpo150190

Location

Yale Internet Resource >> None

Format

Journals & Newspapers / Online

2.

Effects of experimental removal of barred owls on population demography of northern spotted owls in Washington and Oregon : ... progress report

Published

Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2016-2018.

Online

https://purl.fdlp.gov/GPO/gpo150334

Location

Yale Internet Resource >> None

Format

Journals & Newspapers / Online