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Documents disponibles écrits par cet auteur (8)
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Article
Keith Burnett, Auteur ; Richard J. Camp, Auteur ; Patrick J. Hart, AuteurThe Kohala volcano is home to the most spatially isolated population of Hawaiian forest birds on Hawai‘i Island and contains one of the few native bird populations in the state that has not been monitored since the original Hawai‘i Forest Bird S[...]
Article
Seth W. Judge, Auteur ; Christopher C. Warren, Auteur ; Richard J. Camp, Auteur ; Laura K. Berthold, Auteur ; Hanna L. Mounce, Auteur ; Patrick J. Hart, Auteur ; Ryan J. Monello, AuteurPopulation monitoring is critical for informing the management and conservation of rare Hawaiian forest birds. In 2017, we used point-transect distance sampling methods to estimate population densities of birds on Haleakalā Volcano on east Maui [...]
Article
Alex X. Wang, Auteur ; Eben H. Paxton, Auteur ; Hanna L. Mounce, Auteur ; Patrick J. Hart, AuteurThe movement patterns of birds across a landscape are often highly variable and influenced by complex interactions between individuals and environments. Because periods of movement can be marked by high mortality, especially among juvenile birds[...]
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Esther Sebastian-Gonzalez, Auteur ; Jan van Aardt, Auteur ; Kevin Sacca, Auteur ; Jomar Magalhães Barbosa, Auteur ; David Kelbe, Auteur ; Patrick J. Hart, AuteurThe acoustic adaptation hypothesis (AAH) states that animals communicating acoustically adapt their vocalizations to the local conditions to optimize signal transmission. We tested select predictions of the AAH by studying the relationships betw[...]
Article
Seth W. Judge, Auteur ; Richard J. Camp, Auteur ; Patrick J. Hart, Auteur ; Scott T. Kichman, AuteurEndangered Hawai‘i ʻĀkepas (Loxops coccineus) are endemic to Hawai‘i island, where they occur in five spatially distinct populations. Data concerning the status and population trends of these unique Hawaiian honeycreepers are crucial for assessi[...]
Article
Jacqueline M. Gaudioso-Levita, Auteur ; Patrick J. Hart, Auteur ; Dennis A. LaPointe, Auteur ; Anne C. Veillet, Auteur ; Esther Sebastian-Gonzalez, AuteurPlumage coloration in birds can be of major importance to mate selection, social signaling, or predator avoidance. Variations in plumage coloration related to sex, age class, or seasons have been widely studied, but the effect of other factors s[...]
Article
Ann M. Tanimoto, Auteur ; Patrick J. Hart, Auteur ; Adam A. Pack, Auteur ; Richard Switzer, AuteurABSTRACT.? The critically endangered Hawaiian Crow or ?Alal? (Corvus hawaiiensis) is currently extinct in the wild and the remaining 115 individuals are being captively managed on Hawai?i and Maui Islands by the Zoological Society of San Diego. [...]
Article
Caleb S. Spiegel, Auteur ; Patrick J. Hart, Auteur ; Bethany L. Woodworth, Auteur ; Erik J. Tweed, Auteur ; Jaymi J. LeBrun, AuteurThe Hawaiian honeycreepers are thought to be limited primarily to middle- and high-altitude wet forests due to anthropogenic factors at lower altitudes, especially introduced mosquito-transmitted avian malaria. However, recent research has demon[...]
