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Auteur David L. Leonard |
Documents disponibles écrits par cet auteur (5)
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Article
Hanna L. Mounce, Auteur ; David L. Leonard, Auteur ; Kirsty J. Swinnerton, Auteur ; C. Dustin Becker, Auteur ; Laura K. Berthold, Auteur ; Kelly J. Iknayan, Auteur ; Jim J. Groombridge, AuteurMaui Parrotbills (Pseudonestor xanthophrys), critically endangered Hawaiian honeycreepers endemic to the island of Maui, are restricted to a single population of approximate to 500 individuals located in remote, mountainous terrain. From January[...]![]()
Article
David L. Leonard, Auteur ; Julie A. Heath, AuteurLinks between morphology and foraging strategies have been well established for many vertebrate groups. Foraging strategies of Melanerpes woodpeckers are especially variable, with at least six species being proficient flycatchers; the remainder [...]![]()
Article
Hanna L. Mounce, Auteur ; Kelly J. Iknayan, Auteur ; David L. Leonard, Auteur ; Kirsty J. Swinnerton, Auteur ; Jim J. Groombridge, AuteurThe accurate estimation of key demographic parameters is invaluable for making decisions about the management of endangered wildlife but such estimates are often difficult to obtain. Parameters such as species-specific apparent survival rates ar[...]![]()
Article
Since the arrival of humans more than half of the Hawaiian archipelago's known endemic bird taxa have been lost. Of the taxa that remain, 31 are federally listed under the US Endangered Species Act and 17 have populations of less than 1000 indiv[...]![]()
Article
Paul C. Banko, Auteur ; Richard J. Camp, Auteur ; Chris Farmer, Auteur ; Kevin W. Brinck, Auteur ; David L. Leonard, Auteur ; Robert M. Stephens, AuteurExtinction has claimed half of all historically-known Hawaiian passerines, and today many extant species are increasingly threatened due to the combined effects of invasive species and climate change. Habitat disturbance has affected populations[...]



