Julian Hume / Two pairs of Koa finches. Lower pair are Greater koa finches (Rhodacanthis palmeri) extinct in 1896. The upper pair are Lesser koa finches (Rhodacanthis flaviceps) extinct in 1891.

Julian Hume / Lanai hookbill (Dysmorodrepanis munroi) extinct species c.1913

Julian Hume / View of Diamond Crater, Oahu, around 1000 years ago. King Kong finch (Chloridops regiskongi) flying past an Oahu palmcreeper (Ciridops sp) perched. Extinct 1892. Directly behind, an O'ahu O'o (Moho ap...

Julian Hume / Illustration of extinct birds : Kiwi shovel-billed finch (Vangulifer mirandus) chasing after a Geometrid moth (Scotorythra euryphaea) in dense forest on Maui, while a female looks on. Hawaii.

Julian Hume / Illustration of extinct birds : Giant scimitar-billed nukupu'u (Hemignathus vorpalis) foraging amongst leaf litter for invertebrate prey, Hawaii.

Julian Hume / Illustration of extinct birds : Maui nui finch (Telespiza ypsilon) plucking feather down from a moulting Maui Nui Moa-nalo (Thambetochen chauliodous) for use as nesting material. Hawaii.

Julian Hume / Illustration of extinct Pila's palila (Loxioides kikuchi) in a coastal forest on Kaua'i, Hawaii.

Julian Hume / Illustration of extinct O'ahu koa finch (Rhodacanthis litotes) in a Koa (Acacia koa) Hawaii.

Julian Hume / Illustration of extinct Scissor-billed koa finch (Rhodacanthis forfex) in a k'puka on Kaua'i, Hawaii.

Julian Hume / Illustration of extinct birds, Severn's crake (Porzana severnsi) fleeing from a Greater frigatebird (Fregata minor) into dune vegetation on Maui, Hawaii.

Julian Hume / Illustration of extinct Ziegler's crake (Porzana ziegleri) with downy young on Oahu, Hawaii.

Julian Hume / Illustration of extinct Maui Nui Gaper (Aidemedia lutetiae) foraging in moss-covered bark searching for invertebrates. Hawaii.