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Publications

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Videographic evidence of endangered species depredation by feral cat

Feral cats (Felis cafus) have long been implicated as nest predators of endangered 'Ua'u (Hawaiian Petrel; Pterodroma sandwichensis) on Hawaii Island, but until recently, visual confirmation has been limited by available technology. 'Ua'u nest out of view, deep inside small cavities, on alpine lava flows. During the breeding seasons of 2007 and 2008, we monitored known burrows within Hawai'i Volca
Authors
Seth Judge, Jill S. Lippert, Kathleen Misajon, Darcy Hu, Steven C. Hess

Reoccurrence of 'Ōma'o in leeward woodland habitat and their distribution in alpine habitat on Hawai'i island

The endemic solitaire, 'Oma'o (Myadestes obscurus), is common in windward forests of Hawai'i Island, but has been historically extirpated from leeward forests. The last detections of 'Oma'o on the leeward side of the island were in woodland habitat on the western flank of Mauna Loa in 1978. 'Oma'o were detected in woodland habitat in relatively low densities during a 2010 forest bird survey of Haw
Authors
Seth W. Judge, Jacqueline M. Gaudioso, P. Marcos Gorresen, Richard J. Camp

The Nene: Hawaii's iconic goose: a mixed bag of successes, setbacks, and uncertainty

New research with satellite telemetry shows that the endangered Hawaiian goose, or nene (Branta sandvicensis), appears to be making a comeback&mdsah;and a puzzling one at that.

Authors
S.C. Hess

Palila abundance estimates and trend

The Palila (Loxioides bailleui) is an endangered, seed-eating, finch-billed honeycreeper found only on Hawai`i Island. Once occurring on the islands of Kaua`i and O`ahu and Mauna Loa and Hualālai volcanoes of Hawai`i, Palila are now found only in subalpine, dry-forest habitats on Mauna Kea (Banko et al. 2002). Previous analyses showed that Palila numbers fluctuated throughout the 1980s and 1990s b
Authors
Richad Camp, Paul C. Banko

The effects of feral cats on insular wildlife: the Club-Med syndrome

Domestic cats have been introduced to many of the world‘s islands where they have been particularly devastating to insular wildlife which, in most cases, evolved in the absence of terrestrial predatory mammals and feline diseases. We review the effects of predation, feline diseases, and the life history characteristics of feral cats and their prey that have contributed to the extirpation and
Authors
Steve C. Hess, Raymond M. Danner

Rare and endangered species of Hawai`i Volcanoes National Park; endangered, threatened, and rare animal, plant, and community handbook

Introduction Hawai`i Volcanoes National Park (HAVO) is the largest area in the State of Hawai`i protected for its geology and landscapes and its native flora and fauna. The park covers approximately 135,000 hectares or 333,000 acres in all. These lands stretch from the seacoast of Kīlauea Volcano to far above timberline on the summit of Mauna Loa (Figure 1). This vast area includes expanses of for
Authors
Linda W. Pratt, Thane K. Pratt, David Foote, P. Marcos Gorresen

Temporal variation in bird and resource abundance across an elevational gradient in Hawaii

We documented patterns of nectar availability and nectarivorous bird abundance over ~3 years at nine study sites across an 1,800-m elevational gradient on Hawaii Island to investigate the relationship between resource variation and bird abundance. Flower density (flowers ha-1) and nectar energy content were measured across the gradient for the monodominant 'Ōhi'a (Metrosideros polymorpha). Four ne
Authors
Patrick J. Hart, Bethany L. Woodworth, Richard J. Camp, Kathryn Turner, Katherine McClure, Katherine Goodall, Carlene Henneman, Caleb Spiegel, Jaymi Lebrun, Erik Tweed, Michael Samuel

Tamarisk biocontrol using tamarisk beetles: Potential consequences for riparian birds in the southwestern United States

The tamarisk beetle (Diorhabda spp.), a non-native biocontrol agent, has been introduced to eradicate tamarisk (Tamarix spp.), a genus of non-native tree that has become a dominant component of riparian woodlands in the southwestern United States. Tamarisk beetles have the potential to spread widely and defoliate large expanses of tamarisk habitat, but the effects of such a widespread loss of ripa

Authors
Eben H. Paxton, Tad C. Theimer, Mark K. Sogge

Risk assessment, eradication, and biological control: Global efforts to limit Australian acacia invasions

Aim Many Australian Acacia species have been planted around the world, some are highly valued, some are invasive, and some are both highly valued and invasive. We review global efforts to minimize the risk and limit the impact of invasions in this widely used plant group.Location Global.Methods Using information from literature sources, knowledge and experience of the authors, and the responses fr
Authors
John R.U. Wilson, Carla Gairifo, Michelle R. Gibson, Margarita Arianoutsou, Baki B. Bakar, Stephane Baret, Laura Celesti-Grapow, Joseph M. DiTomaso, Jean-Marc Dufour-Dror, Christoph Kueffer, Christian A. Kull, John H. Hoffman, Fiona A.C. Impson, Lloyd L. Loope, Elizabete Marchante, Helia Harchante, Joslin L. Moore, Daniel J. Murphy, Jacques Tassin, Arne Witt, Rafael D. Zenni, David M. Richardson

Efficacy of fipronil for control of yellowjacket wasps in Hawaii Volcanoes National Park

The western yellowjacket wasp (Vespula pensylvanica) invaded Hawai`i’s national parks and refuges following its spread throughout the islands in the late 1970s. The endemic arthropod fauna of Hawai`i is thought to be especially vulnerable to these predacious social Hymenoptera, and methods of wasp control have been a priority for conservation biology in Hawai`i. The efficacy of the insecticide fip
Authors
David Foote, Cause Hanna, Cynthia King, Eric Spurr

The history of mammal eradications in Hawai`i and the United States associated islands of the Central Pacific

Many eradications of mammal taxa have been accomplished on United States associated islands of the Central Pacific, beginning in 1910. Commonly eradicated species are rabbits (Oryctolagus cuniculus), rats (Rattus spp.), feral cats (Felis catus), and several feral ungulates from smaller islands and fenced natural areas on larger Hawaiian Islands. Vegetation and avifauna have demonstrated dramatic r
Authors
S.C. Hess, J.D. Jacobi