Moa became extinct due to over-hunting by early Maori, a culture often termed the Moa Hunters due to the large number of Moa remains found near their settlements or campsites.
Haast's eagle was previously the Moa's only predator - once the Moa had been hunted to extinction the Haast's eagle died out too.
Huia were hunted for their distinctive feathers, which were originally worn in the hair by Maori chiefs, then by 'fashionable' Europeans as adornments for hats in the early 20th Century.
The Stephen's Island Wren was considered to be the only known species in the world to be wiped out by a single animal, the lighthouse keeper's cat.
