Spotted owls : shadows in an old-growth forest /

Spotted owl : Strix occidentalis /
by: Gutiérrez, Ralph J.
Published: (1995)

Simulating the effort necessary to detect changes in northern spotted owl (Strix occidentalis caurina) populations using passive acoustic monitoring /
by: Lesmeister, Damon B.
Published: (2021)

Northwest forest plan, the first 20 years (1994-2013) : status and trends of Northern spotted owl habitats /
Published: (2016)

Demography of the Northern Spotted Owl : proceedings of a workshop, Fort Collins, Colorado, December 1993 /
Published: (1996)

Northern spotted owl draft environmental impact statement : alternative maps /
Published: (1991)

Methods and materials for locating and studying spotted owls /
by: Forsman, Eric D.
Published: (1983)

The California spotted owl : a technical assessment of its current status /
Published: (1992)

Winter movements and range use of radio-marked Mexican spotted owls : an evaluation of current management recommendations /
by: Ganey, Joseph L.
Published: (2005)

Northern spotted owl effectiveness monitoring plan for the northwest forest plan /
Published: (1999)

Northern spotted owl effectiveness monitoring plan for the northwest forest plan /
Published: (1999)

How to spot an owl /
by: Sutton, Patricia, 1951-
Published: (1994)

Northwest forest plan, the first 15 years (1994-2008) : status and trends of northern spotted owl populations and habitats /
Published: (2011)

Draft environmental impact statement on management for the northern spotted owl in the national forests : states of Washington, Oregon and California /
Published: (1991)

Economic analysis of critical habitat designation for the Mexican spotted owl.
Published: (1995)

The California spotted owl, current state of knowledge /
by: Collins, Brandon M.
Published: (2017)

A Conservation strategy for the northern spotted owl /
Published: (1990)

Protect wildlife: Mexican spotted owl.
Published: (2020)

Owls /
by: Mead, C. J.
Published: (1987)

Of spotted owls, old growth, and new policies : a history since the Interagency Scientific Committee report /
by: Marcot, Bruce G.
Published: (1997)

Mexican spotted owls : federal protection /
by: Heck, Jennifer A.
Published: (1993)

Status and ecology of Mexican spotted owls in the Upper Gila Mountains Recovery Unit, Arizona and New Mexico /
by: Ganey, Joseph L.
Published: (2011)

Ecology and management of the spotted owl in the Pacific Northwest : Arcata, California, June 19-23, 1984 /
Published: (1985)

The owl book /
by: Storms, Laura
Published: (1983)

The book of owls.
by: Walker, Lewis Wayne

Owls of Europe /
by: Mikkola, Heimo
Published: (1983)

Status and trends of northern spotted owl populations and habitat.
Published: (2005)

A delight of owls : African owls observed /
by: Steyn, Peter, 1936-
Published: (1984)

Effects of experimental removal of barred owls on population demography of northern spotted owls in Washington and Oregon : 2016 progress report /
by: Wiens, J. David
Published: (2017)

Owls by day and night /
by: Tyler, Hamilton A.
Published: (1978)

Owls of Britain and Europe /
by: Wardhaugh, A. A.
Published: (1983)

The great gray owl : phantom of the northern forest /
by: Nero, Robert W.
Published: (1980)

Effects of Barred Owl (Strix varia) removal on population demography of Northern Spotted Owls (Strix occidentalis caurina) in Washington and Oregon, 2015-18 /
by: Wiens, J. David
Published: (2019)

Effects of experimental removal of barred owls on population demography of northern spotted owls in Washington and Oregon : ... progress report.
Published: (2016)

Simulating the effort necessary to detect changes in northern spotted owl (Strix occidentalis caurina) populations using passive acoustic monitoring /
by: Lesmeister, Damon B., et al.
Published: (2021)

Status and trends of northern spotted owl populations and habitat.
Published: (2005)

A delight of owls : African owls observed /
by: Steyn, Peter, 1936-
Published: (2009)