2018 Kaua'i forest bird population estimates and trends

Date
2020-11-11
Authors
Paxton, Eben H.
Brinck, Kevin W.
Crampton, Lisa H.
Hite, Justin
Costantini, Maria
Contributor
Advisor
Department
Instructor
Depositor
Speaker
Researcher
Consultant
Interviewer
Annotator
Journal Title
Journal ISSN
Volume Title
Publisher
Volume
Number/Issue
Starting Page
Ending Page
Alternative Title
Abstract
Kaua‘i's native forest birds have experienced steep declines since the beginning of systematic surveys in 1981, and declines have accelerated in recent decades. This report details the analysis of the most recent surveys conducted in 2018. Incorporating the new survey results, long-term trends continue to show sharp declines for all native honeycreeper species with the exception of ‘apapane (Himatione sanguinea), which has stable numbers in core areas of its range. Kaua‘i ‘elepaio (Chasiempis sclateri) continued to decline in the outer portions of its range but increased in the core areas of its range. Abundance estimates of forest birds ranged from slightly higher to slightly lower in most species, indicating a relatively stable period from 2012–2018, and a pause from the rapid declines seen in earlier periods. Many native species now exist in very low numbers, and variation in estimates from survey to survey will increase.
Description
Technical report with figures and tables.
Keywords
forest birds, Hawaii, native species, Hawaii--Kauai, population estimates
Citation
Extent
31 pages
Format
Geographic Location
Time Period
Related To
Table of Contents
Rights
Attribution-NonCommercial-NoDerivs 3.0 United States
Rights Holder
Local Contexts
Email libraryada-l@lists.hawaii.edu if you need this content in ADA-compliant format.