Recovery Plans and the Endangered Species Act: Are Criticisms Supported by Data?Published in:Conservation Biology, 1995, v. 9, n. 1, p. 182By:Hayward, Patricia H.Publication type:Article
Ecology of boreal owls in the northern Rocky Mountains, USA.Published in:Wildlife Monographs, 1993, n. 124, p. 4By:Hayward, Gregory D.;Hayward, Patricia H.Publication type:Article
Ecology of boreal owls in the northern Rocky Mountains, U.S.A.Published in:Journal of Wildlife Management, 1993, v. 57, n. 4, p. 5By:Hayward, Gregory D.;Hayward, Patricia H.Publication type:Article