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Difference between revisions of "Oahu Alauahio" - BirdForum Opus

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Revision as of 07:41, 7 October 2007

Paroreomyza maculata

Identification

aka Oahu Creeper. Likely extinct. However, it cannot yet be presumed to be Extinct until further surveys have confirmed that there is no reasonable doubt that the last individual has died. If any population remains, it is likely to be tiny. (O'ahu was not included in the Hawai'i Rare Bird Search of the late 1990's.)

Fairly common into the 1890's, only 6 reliable sightings were made since 1940. The last well-documented sighting was in 1985, and the last probable sighting in 1990. The location of several of these observations was destroyed by freeway construction, and their actual historical distribution is unknown. Their behavior was similar to the other Hawaiian creepers. Males were olive green above and golden yellow below. Female and immature birds were gray above, pale yellow-white below, with white wing bars. Like other creepers, they have dark/black lores with a pale superciliary stripe, and straighter bills than the 'amakihi.

11 cm. Small, straight-billed, warbler-like passerine. Male yellow below, olive-green above with dark lores fading into dingy eye-stripe and distinct yellow superciliary. Female greenish-grey above, pale yellowish-white below, with two prominent, pale wing-bars, pale lores and dark line behind eye only. Similar spp. Both sexes of O'ahu `Amakihi Hemignathus flavus have dark lores, curved bills and no pale superciliary. Introduced Japanese White-eye Zosterops japonicus has bold white eye-ring. Voice Song unknown. Call a loud cherk.

Distribution

endemic to O`ahu in the Hawaiian Islands (USA), where fossil evidence indicates that it once occurred in the lowlands. In the past two decades, there have only been a few confirmed sightings, with several of these from the area around North Halawa Valley, Ko`olau range.

Taxonomy

Habitat

Behaviour

It was reported to eat quantities of carabid beetles, most likely wood-borers, as it was seen feeding on the dead branches of koa trees. Recent sightings have been between 300 and 650 m in remnant (extensively degraded) native, lowland mesic to wet forest containing many introduced plants. One nest with two eggs was collected in late January 1901.

External Links

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