The boreal owl : ecology, behaviour, and conservation of a forest-dwelling predator /

by Korpimäki, Erkki, Korpimäki, Erkki, Korpimäki, Erkki, Korpimäki, Erkki, Hakkarainen, Harri
Published 2012

Flammulated, boreal, and great gray owls in the United States a technical conservation assessment /

Published 1994

Flammulated, boreal, and great gray owls in the United States : a technical conservation assessment /

by Hayward, Gregory D (Gregory Dale)
Published 1994

Flammulated, Boreal, and Great Gray owls in the United States : a technical conservation assessment/

Published 1993

Flammulated, Boreal, and Great Gray owls in the United States : a technical conservation assessment /

Published 1993

Ecology of boreal owls in the Northern Rocky Mountains, U.S.A. /

by Hayward, Gregory D (Gregory Dale)
Published 1993

Flammulated, Boreal, and Great Gray owls in the United States: a technical conservation assessment /

Published 1993

The boreal owl : ecology, behaviour and conservation of a forest-dwelling predator /

by Korpimäki, Erkki, Korpimäki, Erkki
Published 2012

Boreal Owl locations and distribution of associated vegetative ecosystems in the United States, 1993

Published 1994

Der Rauhfusskauz (Aegolius funereus) /

by März, Robert, März, Robert
Published 1968

Boreal owl locations and distribution of associated vegetative ecosystems in the United States, 1993

Published 1994

Flammulated, boreal, and great gray owls in the United States : a technical conservation assessment /

Published 1994

Boreal owl : Aegolius funereus /

by Hayward, Gregory D (Gregory Dale)
Published 1993

Flammulated, boreal, and great gray owls in the United States : a technical conservation assessment /

Published 1994

A sound like water dripping : in search of the boreal owl /

by Bondrup-Nielsen, Soren, 1951-, Bondrup-Nielsen, Soren, 1951-
Published 2009

Biology and conservation of northern forest owls : symposium proceedings : February 3-7, 1987, Winnipeg, Manitoba /

Published 1987