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The ʻakikiki (Oreomystis bairdi), also called the Kauaʻi creeper, is a critically endangered Hawaiian honeycreeper endemic to Kauaʻi, Hawaiʻi. It is the only member of the genus Oreomystis . Of the Hawaiian birds known to be extant, it is thought to be the most endangered, with only 454 wild individuals known as of 2018.
Molecular analysis supports the genus diverging from its closest relatives, the Chlorodrepanis ʻamakihis, during the earliest Pleistocene, about 2.47 million years ago.. The clade containing both genera is sister to the genus Magumma, which contains the ʻanianiau, from which they diverged during the latest Pliocene, about 2.78 million years
Kauai nukupu'u (Hemignathus hanapepe), probably extinct; Palila (Loxioides bailleui) ‘Akeke‘e (Loxops caeruleirostris) Maui ʻakepa (Loxops ochraceus), probably extinct; Poʻo-uli (Melamprosops phaeosoma), probably extinct; ʻAkikiki (Oreomystis bairdi) ʻAkohekohe (Palmeria dolei) Oʻahu ʻalauahio (Paroreomyza maculata), probably extinct
Due to this, Oahu likely played a key role in the formation of diverse morphologies among honeycreepers, allowing for cycles of colonization and speciation between Kauai and Oahu. [7] A phylogenetic tree of the recent Hawaiian honeycreeper lineages is shown here. Genera or clades with question marks (?) are of controversial or uncertain ...
The Hawaiʻi creeper, Hawaii creeper or ʻalawī (Loxops mana) is a species of Hawaiian honeycreeper endemic to the Big Island of Hawaiʻi. Its natural habitats are dry forests and montane moist forests at elevations of 1,000–2,300 metres (3,300–7,500 ft). There are a total of 12,000 birds separated into three populations.
The Kauai ʻakialoa (Akialoa stejnegeri) was a Hawaiian honeycreeper in the subfamily Carduelinae of the family Fringillidae. It was endemic to the island of Kauai, Hawaii. It became extinct in the 20th century due to introduced avian disease and habitat loss. The Kauai ʻakialoa was about seven and a half inches in length and had a very long ...
Around the time the poʻouli lineage originated, Ni'ihau and Kauai were the only two large Hawaiian islands in existence (aside from the then-larger Northwestern Hawaiian Islands), indicating that the po'ouli's lineage must have evolved there and eventually spread to Maui Nui at some point after it first arose in the early Pleistocene, with the ...
The long bill of the ʻiʻiwi assists it to extract nectar from the flowers of the Hawaiian lobelioids, which have decurved corollas.Starting in 1902 the lobelioid population declined dramatically, and the ʻiʻiwi shifted to nectar from the blossoms of ʻōhiʻa lehua (Metrosideros polymorpha) trees. [5]