Chatham House Chatham House The Royal Institute of International Affairs, commonly known as Chatham House, is a not-for-profit and non-governmental organisation based in London whose mission is to analyse and promote the understanding of major international issues and current affairs. It is the originator of the Chatham House Rule and takes its name from the building where it is based, a Grade I listed 18th-century house in St James's Square, designed in part by Henry Flitcroft and occupied by three British prime ministers, including William Pitt, 1st Earl of Chatham. In the University of Pennsylvania’s rankings (announced in January 2017) for their
Chatham kaka Chatham kaka The Chatham kaka or Chatham Island kaka ("Nestor chathamensis") is an extinct parrot species previously found on the Chatham Islands, New Zealand. The first individuals were thought to belong to the kaka ("Nestor meridionalis"), but detailed examination of the subfossil bones showed that they actually belong to a separate endemic species. The species became extinct within the first 150 years of the arrival of the Polynesians around 1550, long before any European settlers. No skins or descriptions are available. The Chatham kaka is assigned to the genus "Nestor" in the family Nestoridae, a small group of parrot species