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  1. Human impacts on the ecology of bald eagles in interior Alaska

    Contributor(s):: Robert J. Steidl

    To assess the consequences of increased recreational activity on bald eagles (Haliaeetus leucocephalus), we studied factors that influenced their behavior and reproductive success in the Gulkana River basin, Alaska, from 1989 to 1993. Both extrinsic and intrinsic factors were associated with...

  2. Human-eagle interactions on the lower Columbia River

    Contributor(s):: Kevin McGarigal

    During the past decade (1978-87), breeding success and productivity of bald eagles on the lower Columbia River (LCR) has been far below state and regional averages and well below levels required for delisting under the Endangered Species Act by the Pacific States Bald Eagle...

  3. Wildlife markets in South China

    Contributor(s):: Chow, Alex T., Cheung, Szeman, Yip, Peter K.

  4. Oil and gas impacts on Wyoming's sage-grouse: summarizing the past and predicting the foreseeable future

    Contributor(s):: Applegate, David H., Owens, Nicholas L.

  5. Inter-seasonal movements in tri-state greater sage-grouse: implications for state-centric conservation plans

    Contributor(s):: Reinhart, Jan S., Messmer, Terry A., Black, Todd

  6. Evaluating the Endangered Species Act: Trends in Mega-Petitions, Judicial Review, and Budget Constraints Reveal a Costly Dilemma for Species Conservation

    Contributor(s):: Candee Wilde

    The year 2013 called for a celebration in recognition of the fortieth anniversary of the Endangered Species Act (ESA or Act). In 1973, President Nixon signed the ESA into effect, acknowledging the growing concern that natural resources in the United States were...

  7. A Day with Crows-Rarity, Nativity and the Violent-Care of Conservation

    Contributor(s):: Thom van Dooren

    This article explores the intermingled violence and care of endangered species conservation. The structure of the paper takes the form of a narrative account of a day spent at the Keauhou Bird Conservation Center in Hawai‘i, observing staff taking care of a captive population of critically...

  8. Individual hunting behaviour and prey specialisation in the house cat Felis catus: implications for conservation and management

    Contributor(s):: Dickman, C. R., Newsome, T. M.

    Predators are often classed as prey specialists if they eat a narrow range of prey types, or as generalists if they hunt multiple prey types. Yet, individual predators often exhibit sex, size, age or personality-related differences in their diets that may alter the impacts of predation on...

  9. The Endangered Species Act: Should it Affect Indian Hunting and Fishing Rights?

    Contributor(s):: R.l. Stoney Burk

    Problems with the regulation of wildlife, as in other areas of public land management, have often been ignored until they became a crisis. Only in the past two decades has there been any significant attempt on the federal level to protect and manage wildlife. One of the most significant and,...

  10. Endangered Species Conservation: What Should We Expect of Federal Agencies?

    Contributor(s):: Robert L. Fischman

    Twenty years after the landmark 1973 endangered species legislation, the public still does not have a clear sense of what it can expect from federal agencies. To be sure, certain duties are clearly prescribed. The citizen suitprovision of the Endangered Species Act (ESA) has helped...

  11. Stay the Hand: New Directions for the Endangered Species Act

    Contributor(s):: Thomas France, Jack Tuholske

    The 1973 passage of the Endangered Species Act (ESA) stands as a landmark event in the evolution of wildlife law in the United States. While earlier statutes such as the National Environmental Policy Act (NEPA) and the Fish and Wildlife Coordination Act required the...

  12. Recovery, Conservation, and Survival under the Endangered Species Act: Recovering Species, Conserving Resources, and Saving the Law

    Contributor(s):: Jason M. Patlis

    Protecting and recovering endangered and threatened species is bad business. It is a short-term, high-risk, and high-cost proposition-not exactly a formula for success. It is also an unpopular business. Resource users cringe at the prospect of the burdensome regulations and...

  13. The Endangered Species Act: A New Avenue for Climate Change Litigation

    Contributor(s):: Sarah Jane Morath

    Polar bears grace the cover of numerous wildlife calendars and magazines; they generate crowds at zoos and aquariums; they are popular stuffed animals; they even appear in soft drink commercials. Despite their fame, a time could come when polar bears no longer roam the Arctic. The...

  14. Endangered Species in the Oil Patch: Challenges and Opportunities for the Oil and Gas Industry

    Contributor(s):: Gabriel Eckstein, Jesse Snyder

    Tension among competing interests is nothing new in environmental law. Even among the most tenacious adversaries, the ability to find common ground can serve as an impetus to further the aims of both industry and environmental proponents. Broadly speaking, advocates of the oil...

  15. A "how-to" guide for designing judgment bias studies to assess captive animal welfare

    Contributor(s):: Bethell, E. J.

    Robust methods to assess nonhuman animal emotion are essential for ensuring good welfare in captivity. Cognitive bias measures such as the judgment bias task have recently emerged as promising tools to assess animal emotion. The simple design and objective response measures make judgment bias...

  16. Dogs for Conservation: Megan Parker at TEDxJacksonHole

    Contributor(s):: Megan Parker

    Megan Parker talks about training dogs to work for conservation and preserve endangered species at a 2015 TEDx event in Jackson Hole.Megan is a pioneer in training dogs to work for conservation and preserve endangered species. She has been involved in dog training, obedience, and...

  17. The Evolution of the Endangered Species Act

    Contributor(s):: Jillian Gelb Sauchelli

    The Endangered Species Act is often considered to be one of the most farreaching, and patently assertive federal statutes ever to be implemented by Congress. In fact, at its passage, “the Endangered Species Act of 1973 represented the most comprehensive legislation for the...

  18. Strength from Weakness: How Legalizing Sport Hunting of Endangered Species Could Provide the Conservation Effort Its Greatest Weapon

    Contributor(s):: Patrick Tubridy Smith

    Famed author and philosopher Ralph Waldo Emerson once wrote “[o]ur strength grows out of our weaknesses”.1 Emerson’s belief that in recognizing weakness one becomes stronger echoes throughout human history. In the Book of Exodus, the Bible provides that during...

  19. Reexamining What We Stand to Lose: A Look at Reinitiated Consultation Under the Endangered Species Act

    Contributor(s):: Catherine E. Kanatas, Maxwell C. Smith

    This article first examines the role reinitiated consultation plays within Congress's statutory framework and concludes that in many ways, reinitiated consultation is the glue that holds the Endangered Species Act's protective scheme together. While the ESA generally prohibits any injury...

  20. Whose Wildlife Is It Anyway ? How New York' s Fish and Game Statutes, Regulations, and Policies Endanger the Environment and Have Disenfranchised the Majority of the Electorate

    Contributor(s):: Jolene R. Marion

    Consistently, courts in the United States have held that the sovereign states hold wildlife in trust for the benefit of all the people. The legislatures, responding to a public concern that uncontrolled hunting was threatening the survival of indigenous species, invoked the states' police...