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Forest bird population trends within Haleakalā National Park

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Title:Forest bird population trends within Haleakalā National Park
Authors:Brinck, Kevin W.
Keywords:Forest birds
population abundance
population density
Hawaiian honeycreepers
Date Issued:16 Sep 2020
Series:HCSU Technical Report Series;97
Abstract:In 2017, the comprehensive east Maui bird surveys allowed for an update in status and
evaluation of trends in bird populations within Haleakalā National Park. This report describes a
finer-scale analysis of the park lands, distinguishing between the upper Kīpahulu Valley plus
adjacent high-elevation areas compared to the rest of the park. I report abundance estimates
and assess trends for six native and three non-native bird species within the park. Overall
abundance estimates are consistent with those in previous reports, but there is some evidence
for different densities between the two areas of the park, and relative densities of some species
may vary from survey to survey. With two possible exceptions (native ‘apapane and non-native
red-billed leiothrix), recent trends indicate that bird populations are in decline.
Pages/Duration:33 pages
Rights:Attribution-NonCommercial-NoDerivs 3.0 United States
Appears in Collections: Hawaii Cooperative Studies Unit (HCSU)

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