Owls of the World

Duncan, James

Owls: A Guide to the Owls of the World

Konig, Claus;Becking, J. H.;Weick, Friedhelm

Hawks, Owls and Wildlife

Craighead, John J.; Frank C. Craighead

Owls

Angell, Tony

Spotted Owls: Shadows in an Old-Growth Forest

Cannings, Richard & Jared Hobbs

Birds by Night

Martin, Graham

The Great Gray Owl: Phantom of the Northern Forest

NERO, Robert W.

North American Owls: Biology and Natural History [First Edition]

Johnsgard, Paul A.

The Eastern Screech Owl: Life History, Ecology and Behavior of Rural and Suburban Populations

Gehlbach, Frederick R.

Owls of the Northern Hemisphere

Voous, K.H.

Neotropical Owls: Diversity and Conservation

Enriquez, Paula (Editor)

Great Horned Owlets Rescue: Where There's a Will, There's a Way

Aguiar, Cheryl