Background
Warham was born in Halifax, Yorkshire, in England, and educated at King Edward VI Grammar School at Retford, Nottinghamshire.
Warham was born in Halifax, Yorkshire, in England, and educated at King Edward VI Grammar School at Retford, Nottinghamshire.
University of Durham.
From 1940 he served in the British Army during the Second World War in Europe, being demobilised in 1946. He moved to Australia from England in 1953. Following much photography and study of Australian birds, and the publication of illustrated papers on their biology in the Emu, he returned to England to take a doctorate at the University of Durham.
Warham then moved to Christchurch, New Zealand where he was a reader in zoology at the University of Canterbury until 1987.
He led several biological expeditions to the New Zealand subantarctic islands. He joined the Royal Australasian Ornithologists Union (RAOU) in 1963 and was elected a Fellow of the RAOU in 1992.
In 1998 he was elected a Fellow of the Ornithological Society of New Zealand. In 2001 he was awarded an MNZM for services to ornithology in the New Zealand Honours List.