Between the Fall of 2001 and the end of 2006, 217 black-footed ferrets (Mustela nigripes) were released within the Wolf Creek Management Area (WCMA) in northwest Colorado in an effort to reestablis
Within the Northern Bighorn Basin, Wyoming, prairie dog (Cynomys) survey data collected between 1980 and 1989 were compared with data from a 2001–2005 survey.
This is an overview of key findings about the effectiveness of stipulations used to manage the potential effects of disturbance to raptor nesting in areas where oil and gas are being extracted from
In 2006, the BLM entered into an assistance agreement (JSA065003) with HawkWatch International, Inc.
The Ferruginous Hawk (Buteo regalis) may be particularly sensitive to human disturbance, but is also a highly versatile nester.
Although substantial research has been directed at understanding accipiter nesting-habitat relationships, little attention has been paid to pinyon–juniper (Pinus edulis or monophylla – Juniperus sp
Raptor nest monitoring may be utilized to guide federal land-use planning, protect raptors, and assess the potential impacts of oil and gas development projects.
The purpose of this publication is to convey research findings to the Bureau of Land Management and other federal and state agencies to expand the current understanding of Cooper’s hawk (Accipiter
Updated August 2015
Published continuously since 1881, contains papers in the field of natural sciences relating to zoology, paleontology, and geology.
