Jiri Lochman / Golden bronze cuckoo (Chrysococcyx lucidus), Thirlmere Lakes National Park, Greater Blue Mountains World Heritage Area, New South Wales, Australia.
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David Tipling / Shining honeycreeper (Cyanerpes lucidus) male in garden, Panama.
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Glenn Bartley/ BIA / Shining Honeycreeper (Cyanerpes lucidus), Costa Rica
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Julian Hume / Comparison of Giant Scimitar-billed Nukupu'u (Hemignathus vorpalis) (below), compared with adult males of Akiapola'au (Hemignathus munroi) (Extant, endangered) (above) and Kauai Nukupu'u (Hemignathus...