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 / Scaled head studies of extinct Hawaiian Geese compared with Nene (Branta sandvicensis) (centre). Clockwise from top left: Giant hawaiian goose (Branta sp), Maui nui moa-nalo (Thambetochen chauliodous)...

Julian Hume / Illustration of extinct birds : Maui nui moa-nalo (Thambetochen chauliodous) female protecting its young from an attacking Hawaiian eagle (Haliaeetus albicilla). The plant in the foreground is the ext...